Budget Request

FY 2022

National Aeronautics and Space Administration

www.nasa.gov
NASA FY 2022 Request Directly Supports Administration Priorities 

• Next-Generation Earth System Observatory

• Sustainable Flight National Partnerships for highly efficient aircraft

• University research on zero-emissions aviation

2

• Spurs a growing LEO economy, anchored by ISS

• Ensuring American leadership in the emerging air mobility 

market, worth up to $115 billion a year by 2035

• X-planes (X-57, X-59) and maintaining America’s lead in 

industry with over $1.7 trillion in U.S. economic impact

• Broadening focus on cross-cutting space technologies that will 

support creating good jobs in a growing space industry

• Over $280 million in direct investment for small business 

innovative research and technology transfer

Addressing the Climate Crisis at Home and Abroad

Restoring America’s Global Standing

• ISS, the world’s only permanently crewed and multi-national space 

platform

• Gateway, a platform for vital international partnerships for 

sustained lunar exploration

• A regular cadence of Artemis missions to the Moon

• International partnerships through the Artemis Accords

• $7.9B for U.S. leadership in cutting-edge science revolutionizing 

our understanding of the universe, solar system, and home planet

• International cooperation in science, including flagship missions 

like Webb Telescope and Mars Sample Return

Promoting Racial and Economic Equity

Driving EconomicGrowth

• Landing first woman and first person of color on the Moon

• Broadening participation by historically underserved communities 

in STEM

• Diversity, equity, and inclusion in NASA grants
Artemis: Landing Humans On the Moon
Artemis Base Camp Buildup
FY 2022 Budget Request: Agency 

($ in Millions) 

Budget Authority ($M) FY 20201/ FY 20212/ FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Deep Space Exploration Systems 5,959.8 6,517.4 6,880.4 7,014.1 7,263.7 7,514.9 7,772.8 

Exploration Systems Development 4,512.8 4,544.6 4,483.7 4,384.0 4,219.0 3,888.0 3,867.0 

Exploration Research & Development 1,447.0 1,972.8 2,396.7 2,630.1 3,044.7 3,626.9 3,905.8 

Space Technology 1,100.0 1,100.0 1,425.0 1,454.5 1,486.4 1,519.2 1,552.9 

Space Operations 4,134.7 3,988.2 4,017.4 4,109.3 4,103.3 4,103.3 4,103.3 

International Space Station 1,516.1 1,321.6 1,327.6 1,309.7 1,279.4 1,284.5 1,284.5 

Space Transportation 1,746.2 1,872.9 1,771.7 1,827.1 1,849.0 1,843.7 1,843.7 

Space and Flight Support 857.4 776.6 817.0 786.4 788.8 789.0 789.0 

Commercial LEO Development 15.0 17.0 101.1 186.1 186.1 186.1 186.1 

Science 7,143.1 7,300.8 7,931.4 8,095.6 8,272.9 8,455.7 8,643.4 

Earth Science 1,971.8 2,000.0 2,250.0 2,343.5 2,398.3 2,573.0 2,702.3 

Planetary Science 2,712.6 2,699.8 3,200.0 3,196.3 3,266.5 3,226.9 3,168.7 

Astrophysics 1,306.2 1,356.2 1,400.2 1,461.8 1,491.5 1,512.3 1,594.1 

Heliophysics 724.5 751.0 796.7 803.3 816.6 833.6 858.5 

James Webb Space Telescope 423.0 414.7 175.4 172.5 172.0 172.0 172.0 

Biological and Physical Sciences 5.0 79.1 109.1 118.1 128.0 137.9 147.8 

Aeronautics 783.9 828.7 914.8 933.7 954.1 975.2 996.8 

STEM Engagement 120.0 127.0 147.0 150.0 153.3 156.7 160.2 

Safety, Security, and Mission Services 2,913.3 2,936.5 3,049.2 3,112.3 3,180.5 3,250.8 3,323.0 

Mission Services & Capabilities 1,849.7 1,918.3 2,028.8 2,070.8 2,113.7 2,157.6 2,202.4 

Engineering, Safety, & Operations 1,063.6 1,018.2 1,020.4 1,041.5 1,066.8 1,093.2 1,120.6 

Construction & Envrmtl Compl Restoration 432.5 428.5 390.3 398.4 407.1 416.1 425.3 

Construction of Facilities 357.8 370.4 315.6 322.2 329.3 336.7 344.2 

Environmental Compliance and Restoration 74.7 58.1 74.7 76.2 77.8 79.4 81.1 

Inspector General 41.7 44.2 46.0 47.0 48.0 49.1 50.2 

NASA Total 22,629.0 23,271.3 24,801.5 25,314.9 25,869.3 26,441.0 27,027.9 

1/ - FY 2020 reflects funding amounts specified in Public Law 116-93, Consolidated Appropriations Act, 2020, as adjusted in NASA's FY 2020 Initial Operating Plan, except Exploration Ground System Development 

and Exploration CoF. Table does not reflect emergency supplemental funding provided for NASA and included in the Safety, Security, and Mission Services account, as specified in Public Law 116-136, the 

Coronavirus Aid, Relief, and Economic Security Act, totaling $60.0 million.

2/ - FY 2021 reflects funding amounts specified in Public Law 116-260, Consolidated Appropriations Act, 2021, as adjusted by NASA's FY 2021 Initial Operating Plan.
FY 2022 Budget Request ($ in Millions) 

NASA Mission Planning Manifest: FY 2021 – FY 2026

*** Instrument only 

 + Future CRS-2 unknown, will be updated after award of CRS-2 when

 cargo delivery capabilities are known

U/R Under Review (Pending protest resolution)

✓ Mission successfully launched

Joint NASA-USAF Mission

Joint NASA-Public/Private Partnership

Moon-Mars Missions

NASA Mission on US Commercial Launch Vehicle

Reimbursable Mission for NOAA

**** NASA does not directly manage/control JASD 

missions. LRDs reflected are to the best of our 

knowledge

Joint NASA-Int'l Partner Mission

Int'l Mission with NASA contribution

Exploration Systems Development Mission

Commercial Crew Mission to ISS

Commercial Resupply Services Mission to ISS

Future Commercial Resupply Mission

Aeronautics Mission
Account Summaries 
FY 2022 Budget Request: Exploration

($ in Millions) 

Budget Authority ($M) FY 20201/ FY 20212/ FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Deep Space Exploration Systems 5,959.8 6,517.4 6,880.4 7,014.1 7,263.7 7,514.9 7,772.8 

Exploration Systems Development 4,512.8 4,544.6 4,483.7 4,384.0 4,219.0 3,888.0 3,867.0 

Exploration Research & Development 1,447.0 1,972.8 2,396.7 2,630.1 3,044.7 3,626.9 3,905.8 

Space Technology 1,100.0 1,100.0 1,425.0 1,454.5 1,486.4 1,519.2 1,552.9 

Space Operations 4,134.7 3,988.2 4,017.4 4,109.3 4,103.3 4,103.3 4,103.3 

International Space Station 1,516.1 1,321.6 1,327.6 1,309.7 1,279.4 1,284.5 1,284.5 

Space Transportation 1,746.2 1,872.9 1,771.7 1,827.1 1,849.0 1,843.7 1,843.7 

Space and Flight Support 857.4 776.6 817.0 786.4 788.8 789.0 789.0 

Commercial LEO Development 15.0 17.0 101.1 186.1 186.1 186.1 186.1 

Science 7,143.1 7,300.8 7,931.4 8,095.6 8,272.9 8,455.7 8,643.4 

Earth Science 1,971.8 2,000.0 2,250.0 2,343.5 2,398.3 2,573.0 2,702.3 

Planetary Science 2,712.6 2,699.8 3,200.0 3,196.3 3,266.5 3,226.9 3,168.7 

Astrophysics 1,306.2 1,356.2 1,400.2 1,461.8 1,491.5 1,512.3 1,594.1 

Heliophysics 724.5 751.0 796.7 803.3 816.6 833.6 858.5 

James Webb Space Telescope 423.0 414.7 175.4 172.5 172.0 172.0 172.0 

Biological and Physical Sciences 5.0 79.1 109.1 118.1 128.0 137.9 147.8 

Aeronautics 783.9 828.7 914.8 933.7 954.1 975.2 996.8 

STEM Engagement 120.0 127.0 147.0 150.0 153.3 156.7 160.2 

Safety, Security, and Mission Services 2,913.3 2,936.5 3,049.2 3,112.3 3,180.5 3,250.8 3,323.0 

Mission Services & Capabilities 1,849.7 1,918.3 2,028.8 2,070.8 2,113.7 2,157.6 2,202.4 

Engineering, Safety, & Operations 1,063.6 1,018.2 1,020.4 1,041.5 1,066.8 1,093.2 1,120.6 

Construction & Envrmtl Compl Restoration 432.5 428.5 390.3 398.4 407.1 416.1 425.3 

Construction of Facilities 357.8 370.4 315.6 322.2 329.3 336.7 344.2 

Environmental Compliance and Restoration 74.7 58.1 74.7 76.2 77.8 79.4 81.1 

Inspector General 41.7 44.2 46.0 47.0 48.0 49.1 50.2 

NASA Total 22,629.0 23,271.3 24,801.5 25,314.9 25,869.3 26,441.0 27,027.9 

1/ - FY 2020 reflects funding amounts specified in Public Law 116-93, Consolidated Appropriations Act, 2020, as adjusted in NASA's FY 2020 Initial Operating Plan, except Exploration Ground System Development 

and Exploration CoF. Table does not reflect emergency supplemental funding provided for NASA and included in the Safety, Security, and Mission Services account, as specified in Public Law 116-136, the 

Coronavirus Aid, Relief, and Economic Security Act, totaling $60.0 million.

2/ - FY 2021 reflects funding amounts specified in Public Law 116-260, Consolidated Appropriations Act, 2021, as adjusted by NASA's FY 2021 Initial Operating Plan.
Deep Space Exploration Systems:

Exploration Systems Development

• Enables the Artemis goal of landing the first woman and first 

person of color on the Moon’s south pole

• $1,407 million for the Orion program to finalize assembling and 

testing the Artemis II crew vehicle and deliver the system to EGS 

at KSC

• $2,487 million for Space Launch System (including for 

development of Block 1B) and upgrades to ensure the safe and 

reliable completion of the initial Block 1

• $590 million for Exploration Ground Systems for Mobile 

Launcher 2 construction and modifications to existing facility and 

command and control systems

9

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Exploration Systems Development 4,544.6 4,483.7 4,384.0 4,219.0 3,888.0 3,867.0
Deep Space Exploration Systems:

Exploration Research and Development

• $785 million for Gateway development to support human lunar landings and 

surface activities

• $1,195 million for Human Landing System which will utilize multiple commercial 

partnerships to develop and deploy the integrated landing systems that will 

transport the first woman and first person of color to the Moon

• $92 million for Advanced Cislunar and Surface Capabilities to conduct risk 

reduction studies to develop strategies and identify technologies for lunar 

sustainability and future human missions to the Moon and Mars

• $195 million for Advanced Exploration Systems to continue 

identifying, addressing, and delivering fundamental technologies to provide 

astronauts a safe place to live and work in space

• $130 million for Human Research Program for continued research to mitigate 

risks to astronaut health during long-duration missions

10

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Exploration Research & Development 1,972.8 2,396.7 2,630.1 3,044.7 3,626.9 3,905.8
FY 2022 Budget Request: Space Technology

($ in Millions) 

Budget Authority ($M) FY 20201/ FY 20212/ FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Deep Space Exploration Systems 5,959.8 6,517.4 6,880.4 7,014.1 7,263.7 7,514.9 7,772.8 

Exploration Systems Development 4,512.8 4,544.6 4,483.7 4,384.0 4,219.0 3,888.0 3,867.0 

Exploration Research & Development 1,447.0 1,972.8 2,396.7 2,630.1 3,044.7 3,626.9 3,905.8 

Space Technology 1,100.0 1,100.0 1,425.0 1,454.5 1,486.4 1,519.2 1,552.9 

Space Operations 4,134.7 3,988.2 4,017.4 4,109.3 4,103.3 4,103.3 4,103.3 

International Space Station 1,516.1 1,321.6 1,327.6 1,309.7 1,279.4 1,284.5 1,284.5 

Space Transportation 1,746.2 1,872.9 1,771.7 1,827.1 1,849.0 1,843.7 1,843.7 

Space and Flight Support 857.4 776.6 817.0 786.4 788.8 789.0 789.0 

Commercial LEO Development 15.0 17.0 101.1 186.1 186.1 186.1 186.1 

Science 7,143.1 7,300.8 7,931.4 8,095.6 8,272.9 8,455.7 8,643.4 

Earth Science 1,971.8 2,000.0 2,250.0 2,343.5 2,398.3 2,573.0 2,702.3 

Planetary Science 2,712.6 2,699.8 3,200.0 3,196.3 3,266.5 3,226.9 3,168.7 

Astrophysics 1,306.2 1,356.2 1,400.2 1,461.8 1,491.5 1,512.3 1,594.1 

Heliophysics 724.5 751.0 796.7 803.3 816.6 833.6 858.5 

James Webb Space Telescope 423.0 414.7 175.4 172.5 172.0 172.0 172.0 

Biological and Physical Sciences 5.0 79.1 109.1 118.1 128.0 137.9 147.8 

Aeronautics 783.9 828.7 914.8 933.7 954.1 975.2 996.8 

STEM Engagement 120.0 127.0 147.0 150.0 153.3 156.7 160.2 

Safety, Security, and Mission Services 2,913.3 2,936.5 3,049.2 3,112.3 3,180.5 3,250.8 3,323.0 

Mission Services & Capabilities 1,849.7 1,918.3 2,028.8 2,070.8 2,113.7 2,157.6 2,202.4 

Engineering, Safety, & Operations 1,063.6 1,018.2 1,020.4 1,041.5 1,066.8 1,093.2 1,120.6 

Construction & Envrmtl Compl Restoration 432.5 428.5 390.3 398.4 407.1 416.1 425.3 

Construction of Facilities 357.8 370.4 315.6 322.2 329.3 336.7 344.2 

Environmental Compliance and Restoration 74.7 58.1 74.7 76.2 77.8 79.4 81.1 

Inspector General 41.7 44.2 46.0 47.0 48.0 49.1 50.2 

NASA Total 22,629.0 23,271.3 24,801.5 25,314.9 25,869.3 26,441.0 27,027.9 

1/ - FY 2020 reflects funding amounts specified in Public Law 116-93, Consolidated Appropriations Act, 2020, as adjusted in NASA's FY 2020 Initial Operating Plan, except Exploration Ground System Development 

and Exploration CoF. Table does not reflect emergency supplemental funding provided for NASA and included in the Safety, Security, and Mission Services account, as specified in Public Law 116-136, the 

Coronavirus Aid, Relief, and Economic Security Act, totaling $60.0 million.

2/ - FY 2021 reflects funding amounts specified in Public Law 116-260, Consolidated Appropriations Act, 2021, as adjusted by NASA's FY 2021 Initial Operating Plan.
Space Technology

12

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Space Technology 1,100.0 1,425.0 1,454.5 1,486.4 1,519.2 1,552.9

Image Credit: Maxar Technologies

• $502 million for Technology Demonstration to enable and enhance research and 

development at industry and NASA, including OSAM-1, OSAM-2, Cryogenic Fluid 

Management, Fission Surface Power, DSOC, LOFTID, Solar Electric Power, and others

• $491 million for Technology Maturation to advance revolutionary disruptive exploration 

technologies from proof of concept to demonstration, including initial delivery of Lunar 

Surface Innovative Initiative payloads to the lunar surface by Commercial Lunar Payload 

Services (CLPS) and initiation of industry and commerce innovation opportunities

• $145 million for Early Stage Innovation and Partnerships to capitalize on innovation by 

sourcing ideas from a broad, diverse base of innovators including our brightest minds in 

academia and transferring space technology into the space economy

• $287 million for Small Business Innovation Research and Technology Transfer to 

leverage the Nation’s innovative small business community to fund research and 

development in support of NASA’s mission in human exploration, science and 

aeronautics. 
FY 2022 Budget Request: Space Operations

($ in Millions) 

Budget Authority ($M) FY 20201/ FY 20212/ FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Deep Space Exploration Systems 5,959.8 6,517.4 6,880.4 7,014.1 7,263.7 7,514.9 7,772.8 

Exploration Systems Development 4,512.8 4,544.6 4,483.7 4,384.0 4,219.0 3,888.0 3,867.0 

Exploration Research & Development 1,447.0 1,972.8 2,396.7 2,630.1 3,044.7 3,626.9 3,905.8 

Space Technology 1,100.0 1,100.0 1,425.0 1,454.5 1,486.4 1,519.2 1,552.9 

Space Operations 4,134.7 3,988.2 4,017.4 4,109.3 4,103.3 4,103.3 4,103.3 

International Space Station 1,516.1 1,321.6 1,327.6 1,309.7 1,279.4 1,284.5 1,284.5 

Space Transportation 1,746.2 1,872.9 1,771.7 1,827.1 1,849.0 1,843.7 1,843.7 

Space and Flight Support 857.4 776.6 817.0 786.4 788.8 789.0 789.0 

Commercial LEO Development 15.0 17.0 101.1 186.1 186.1 186.1 186.1 

Science 7,143.1 7,300.8 7,931.4 8,095.6 8,272.9 8,455.7 8,643.4 

Earth Science 1,971.8 2,000.0 2,250.0 2,343.5 2,398.3 2,573.0 2,702.3 

Planetary Science 2,712.6 2,699.8 3,200.0 3,196.3 3,266.5 3,226.9 3,168.7 

Astrophysics 1,306.2 1,356.2 1,400.2 1,461.8 1,491.5 1,512.3 1,594.1 

Heliophysics 724.5 751.0 796.7 803.3 816.6 833.6 858.5 

James Webb Space Telescope 423.0 414.7 175.4 172.5 172.0 172.0 172.0 

Biological and Physical Sciences 5.0 79.1 109.1 118.1 128.0 137.9 147.8 

Aeronautics 783.9 828.7 914.8 933.7 954.1 975.2 996.8 

STEM Engagement 120.0 127.0 147.0 150.0 153.3 156.7 160.2 

Safety, Security, and Mission Services 2,913.3 2,936.5 3,049.2 3,112.3 3,180.5 3,250.8 3,323.0 

Mission Services & Capabilities 1,849.7 1,918.3 2,028.8 2,070.8 2,113.7 2,157.6 2,202.4 

Engineering, Safety, & Operations 1,063.6 1,018.2 1,020.4 1,041.5 1,066.8 1,093.2 1,120.6 

Construction & Envrmtl Compl Restoration 432.5 428.5 390.3 398.4 407.1 416.1 425.3 

Construction of Facilities 357.8 370.4 315.6 322.2 329.3 336.7 344.2 

Environmental Compliance and Restoration 74.7 58.1 74.7 76.2 77.8 79.4 81.1 

Inspector General 41.7 44.2 46.0 47.0 48.0 49.1 50.2 

NASA Total 22,629.0 23,271.3 24,801.5 25,314.9 25,869.3 26,441.0 27,027.9 

1/ - FY 2020 reflects funding amounts specified in Public Law 116-93, Consolidated Appropriations Act, 2020, as adjusted in NASA's FY 2020 Initial Operating Plan, except Exploration Ground System Development 

and Exploration CoF. Table does not reflect emergency supplemental funding provided for NASA and included in the Safety, Security, and Mission Services account, as specified in Public Law 116-136, the 

Coronavirus Aid, Relief, and Economic Security Act, totaling $60.0 million.

2/ - FY 2021 reflects funding amounts specified in Public Law 116-260, Consolidated Appropriations Act, 2021, as adjusted by NASA's FY 2021 Initial Operating Plan.
Space Operations:

International Space Station

• $1,048 million to provide ISS operations to ensure no gap in LEO until 

commercial LEO destinations are available

• $279 million for enabling long-duration human deep space exploration via 

research and technology demonstrations

• Hosts technology demonstrations sponsored by NASA Space 

Technology, human research activities by the NASA Human Research 

Program, and basic and Earth research by NASA Science

• Enables development and advancement of a commercial ecosystem in 

low Earth orbit, including stimulation of non-NASA demand

• Supports above focus areas through use of the National Laboratory by 

expanding the breadth of researchers and companies using ISS and 

enabling new public-private partnerships

14

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

International Space Station 1,321.6 1,327.6 1,309.7 1,279.4 1,284.5 1,284.5
Space Operations:

Space Transportation

• $1,617 million for the Crew and Cargo Program to provide for a regular 

cadence of crew rotation and cargo resupply missions to the ISS, 

contributing to the foundation of a more affordable and sustainable future for 

American human spaceflight

• $154 million for Commercial Crew Program to continue NASA’s partnership 

with the U.S. commercial space industry to transport astronauts into space 

safely, reliably, and affordably from American soil 

• Suborbital Crew will develop a system qualification process to enable NASA 

personnel to leverage suborbital human space transportation capabilities

15

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Space Transportation 1,872.9 1,771.7 1,827.1 1,849.0 1,843.7 1,843.7
Space Operations:

Space and Flight Support

• $523 million for Space Communications and Navigation to provide 

mission critical services for human, science, and crew and cargo 

missions

• $42 million for Communications Services Program to begin 

demonstration of commercial services to support future NASA 

missions

• $102 million for Human Space Flight Operations to support readiness 

and crew health for all NASA human space flight endeavors

• $103 million for Launch Services to provide safe, reliable, and costeffective launch vehicle acquisition and advisory services for over 70 

NASA spacecraft missions in various phases of development

• $48 million for Rocket Propulsion Test to provide NASA’s rocket 

testing capability to meet US rocket testing requirements

16

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Space and Flight Support 776.6 817.0 786.4 788.8 789.0 789.0
Space Operations:

Commercial LEO Development

• Supports early design maturation of multiple commerciallyowned and operated LEO destinations (free flyers) from 

which NASA, along with other customers, can purchase 

services and stimulate the growth of commercial activities in 

LEO

• Focuses on maintaining a continuous U.S. human presence 

in LEO – both with Government astronauts and with private 

citizens – to support the utilization of space by U.S. citizens, 

companies, academia, and international partners

• Collaborates with ISS Research to develop and mature the 

demand side of the LEO economy

17

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Commercial LEO Development 17.0 101.1 186.1 186.1 186.1 186.1

*LEO Commercialization Study free flyer concept examples
FY 2022 Budget Request: Science

($ in Millions) 

Budget Authority ($M) FY 20201/ FY 20212/ FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Deep Space Exploration Systems 5,959.8 6,517.4 6,880.4 7,014.1 7,263.7 7,514.9 7,772.8 

Exploration Systems Development 4,512.8 4,544.6 4,483.7 4,384.0 4,219.0 3,888.0 3,867.0 

Exploration Research & Development 1,447.0 1,972.8 2,396.7 2,630.1 3,044.7 3,626.9 3,905.8 

Space Technology 1,100.0 1,100.0 1,425.0 1,454.5 1,486.4 1,519.2 1,552.9 

Space Operations 4,134.7 3,988.2 4,017.4 4,109.3 4,103.3 4,103.3 4,103.3 

International Space Station 1,516.1 1,321.6 1,327.6 1,309.7 1,279.4 1,284.5 1,284.5 

Space Transportation 1,746.2 1,872.9 1,771.7 1,827.1 1,849.0 1,843.7 1,843.7 

Space and Flight Support 857.4 776.6 817.0 786.4 788.8 789.0 789.0 

Commercial LEO Development 15.0 17.0 101.1 186.1 186.1 186.1 186.1 

Science 7,143.1 7,300.8 7,931.4 8,095.6 8,272.9 8,455.7 8,643.4 

Earth Science 1,971.8 2,000.0 2,250.0 2,343.5 2,398.3 2,573.0 2,702.3 

Planetary Science 2,712.6 2,699.8 3,200.0 3,196.3 3,266.5 3,226.9 3,168.7 

Astrophysics 1,306.2 1,356.2 1,400.2 1,461.8 1,491.5 1,512.3 1,594.1 

Heliophysics 724.5 751.0 796.7 803.3 816.6 833.6 858.5 

James Webb Space Telescope 423.0 414.7 175.4 172.5 172.0 172.0 172.0 

Biological and Physical Sciences 5.0 79.1 109.1 118.1 128.0 137.9 147.8 

Aeronautics 783.9 828.7 914.8 933.7 954.1 975.2 996.8 

STEM Engagement 120.0 127.0 147.0 150.0 153.3 156.7 160.2 

Safety, Security, and Mission Services 2,913.3 2,936.5 3,049.2 3,112.3 3,180.5 3,250.8 3,323.0 

Mission Services & Capabilities 1,849.7 1,918.3 2,028.8 2,070.8 2,113.7 2,157.6 2,202.4 

Engineering, Safety, & Operations 1,063.6 1,018.2 1,020.4 1,041.5 1,066.8 1,093.2 1,120.6 

Construction & Envrmtl Compl Restoration 432.5 428.5 390.3 398.4 407.1 416.1 425.3 

Construction of Facilities 357.8 370.4 315.6 322.2 329.3 336.7 344.2 

Environmental Compliance and Restoration 74.7 58.1 74.7 76.2 77.8 79.4 81.1 

Inspector General 41.7 44.2 46.0 47.0 48.0 49.1 50.2 

NASA Total 22,629.0 23,271.3 24,801.5 25,314.9 25,869.3 26,441.0 27,027.9 

1/ - FY 2020 reflects funding amounts specified in Public Law 116-93, Consolidated Appropriations Act, 2020, as adjusted in NASA's FY 2020 Initial Operating Plan, except Exploration Ground System Development 

and Exploration CoF. Table does not reflect emergency supplemental funding provided for NASA and included in the Safety, Security, and Mission Services account, as specified in Public Law 116-136, the 

Coronavirus Aid, Relief, and Economic Security Act, totaling $60.0 million.

2/ - FY 2021 reflects funding amounts specified in Public Law 116-260, Consolidated Appropriations Act, 2021, as adjusted by NASA's FY 2021 Initial Operating Plan.
Science:

Earth Science

• Initiates the Earth System Observatory to enhance understanding of Earth 

systems and to observe the effects of climate change

• Development of four core strategic missions for launch in this decade

• Implements the competitive Earth System Explorers Program

• Continues development of high priority missions such as PACE, CLARREO 

Pathfinder, and Landsat 9

• Enhances capabilities in Earth Data Systems to support large data volume of 

upcoming missions and new capabilities in AI/ML

• Supports current Venture class missions and stable cadence of new 

selections

• Acquires Earth Science observation data from commercial SmallSat

constellations to augment or complement observations acquired by NASA

19

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Earth Science 2,000.0 2,250.0 2,343.5 2,398.3 2,573.0 2,702.3
Science:

Planetary Science

20

• $497 million for the Lunar Discovery and Exploration program which 

partners with industry to deliver to the Moon instruments and other 

payloads, including the VIPER mission, a lunar rover to investigate 

volatiles on the South Pole of the Moon

• $653 million to supports the Mars Sample Return mission launch and 

begins planning for the Mars Ice Mapper

• $143 million for the Near-Earth Objects Surveyor to accelerate detection 

of potentially hazardous asteroids

• Continues robust competitive Discovery and New Frontiers programs 

including development of the Lucy, Psyche and Dragonfly missions

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Planetary Science 2,699.8 3,200.0 3,196.3 3,266.5 3,226.9 3,168.7
Science:

Astrophysics

• Operates Great Observatories, such as the Hubble Space Telescope and the 

Chandra X-ray Observatory, along with 7 other operating missions

• $502 million for development of the Nancy Grace Roman Space telescope, designed 

to unravel the secrets of dark energy and dark matter, search for and image 

exoplanets, and explore many topics in infrared astrophysics 

• Supports a robust Explorer program, recent selections include XRISM, SPHEREx

and CASE, also provides four announcements of opportunities per decade, also 

includes Explorer Pioneers to support small platform investigations

• Supports initiation of a probe-class mission in FY 2022 pending Decadal Survey 

recommendations

• Proposes termination and orderly shutdown of SOFIA, the second-most expensive 

operating mission in the Astrophysics Division, to focus on higher priority science

21

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Astrophysics 1,356.2 1,400.2 1,461.8 1,491.5 1,512.3 1,594.1
Science:

Heliophysics

• Advances Heliophysics with new, innovative missions– a historic number of 

missions on orbit and in development

• Supports development of the Interstellar Mapping and Acceleration Probe 

(IMAP) and the Geospace Dynamics Constellation missions

• Supports a robust cadence of PI-led Explorer selections and missions of 

opportunity: Solar Cruiser, GLIDE, EZIE, EUVST

• Continues operation of 18 missions, including ICON, Parker Solar Probe, and 

Solar Orbiter Collaboration

• Enhances innovation via the use of CubeSats/SmallSats, an enhanced 

rideshare program, and a focused Heliophysics Technology Program

• Improves NASA’s capability to study and predict space weather to protect our 

astronauts, our satellites, and technology on Earth; provides a space weather 

instrument, HERMES, for the Artemis Gateway

22

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Heliophysics 751.0 796.7 803.3 816.6 833.6 858.5
Science:

James Webb Space Telescope

• James Webb will look further back in time than ever before 

by exploring the infrared spectrum

• Completes integration and test activities

• Transports Webb to the launch site in Kourou, French Guiana

• Supports October 31, 2021 launch readiness date and start 

of science operations in May 2022

• Supports guest observer awards and science after initial on 

orbit capability

23

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

James Webb Space Telescope 414.7 175.4 172.5 172.0 172.0 172.0
Science:

Biological and Physical Sciences

• Provides a $30 million increase in FY 2022 to accelerate 

transformative science at the frontiers of biological and 

physical sciences research in space

• Commissioned NASEM to conduct the second Decadal Survey 

for biological and physical sciences for 2023-2032

• Continued annual solicitations of Space Biology and Physical 

Sciences research

• Planning for a broad range of research platforms from ground 

to spaceflight with emphasis on ISS to drive advances in 

science, technology, and space exploration

24

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Biological and Physical Sciences 79.1 109.1 118.1 128.0 137.9 147.8
FY 2022 Budget Request: Aeronautics

($ in Millions) 

Budget Authority ($M) FY 20201/ FY 20212/ FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Deep Space Exploration Systems 5,959.8 6,517.4 6,880.4 7,014.1 7,263.7 7,514.9 7,772.8 

Exploration Systems Development 4,512.8 4,544.6 4,483.7 4,384.0 4,219.0 3,888.0 3,867.0 

Exploration Research & Development 1,447.0 1,972.8 2,396.7 2,630.1 3,044.7 3,626.9 3,905.8 

Space Technology 1,100.0 1,100.0 1,425.0 1,454.5 1,486.4 1,519.2 1,552.9 

Space Operations 4,134.7 3,988.2 4,017.4 4,109.3 4,103.3 4,103.3 4,103.3 

International Space Station 1,516.1 1,321.6 1,327.6 1,309.7 1,279.4 1,284.5 1,284.5 

Space Transportation 1,746.2 1,872.9 1,771.7 1,827.1 1,849.0 1,843.7 1,843.7 

Space and Flight Support 857.4 776.6 817.0 786.4 788.8 789.0 789.0 

Commercial LEO Development 15.0 17.0 101.1 186.1 186.1 186.1 186.1 

Science 7,143.1 7,300.8 7,931.4 8,095.6 8,272.9 8,455.7 8,643.4 

Earth Science 1,971.8 2,000.0 2,250.0 2,343.5 2,398.3 2,573.0 2,702.3 

Planetary Science 2,712.6 2,699.8 3,200.0 3,196.3 3,266.5 3,226.9 3,168.7 

Astrophysics 1,306.2 1,356.2 1,400.2 1,461.8 1,491.5 1,512.3 1,594.1 

Heliophysics 724.5 751.0 796.7 803.3 816.6 833.6 858.5 

James Webb Space Telescope 423.0 414.7 175.4 172.5 172.0 172.0 172.0 

Biological and Physical Sciences 5.0 79.1 109.1 118.1 128.0 137.9 147.8 

Aeronautics 783.9 828.7 914.8 933.7 954.1 975.2 996.8 

STEM Engagement 120.0 127.0 147.0 150.0 153.3 156.7 160.2 

Safety, Security, and Mission Services 2,913.3 2,936.5 3,049.2 3,112.3 3,180.5 3,250.8 3,323.0 

Mission Services & Capabilities 1,849.7 1,918.3 2,028.8 2,070.8 2,113.7 2,157.6 2,202.4 

Engineering, Safety, & Operations 1,063.6 1,018.2 1,020.4 1,041.5 1,066.8 1,093.2 1,120.6 

Construction & Envrmtl Compl Restoration 432.5 428.5 390.3 398.4 407.1 416.1 425.3 

Construction of Facilities 357.8 370.4 315.6 322.2 329.3 336.7 344.2 

Environmental Compliance and Restoration 74.7 58.1 74.7 76.2 77.8 79.4 81.1 

Inspector General 41.7 44.2 46.0 47.0 48.0 49.1 50.2 

NASA Total 22,629.0 23,271.3 24,801.5 25,314.9 25,869.3 26,441.0 27,027.9 

1/ - FY 2020 reflects funding amounts specified in Public Law 116-93, Consolidated Appropriations Act, 2020, as adjusted in NASA's FY 2020 Initial Operating Plan, except Exploration Ground System Development 

and Exploration CoF. Table does not reflect emergency supplemental funding provided for NASA and included in the Safety, Security, and Mission Services account, as specified in Public Law 116-136, the 

Coronavirus Aid, Relief, and Economic Security Act, totaling $60.0 million.

2/ - FY 2021 reflects funding amounts specified in Public Law 116-260, Consolidated Appropriations Act, 2021, as adjusted by NASA's FY 2021 Initial Operating Plan.
Aeronautics

• $302 million for Integrated Aviation Systems to support the X-59 Low Boom Flight 

Demonstrator, X-57 Maxwell all-electric aircraft, and early designs of a Sustainable 

Flight Demonstrator

• $244 million for Advanced Air Vehicles to conduct research to meet the nation’s 

growing long-term civil aviation needs such as more efficient aircraft and propulsion 

technologies to reduce aviation’s carbon footprint

• $148 million for Transformative Aero Concepts to support revolutionary aviation 

concepts, including research on zero-emissions aviation

• $105 million for Airspace Operations and Safety to work with the Federal Aviation 

Administration to modernize and transform the national air traffic management 

system 

• $117 million for Aerosciences Evaluation and Test Capabilities, supporting critical 

national ground test infrastructure

• Includes an overall $86.1 million increase over FY 2021 enacted levels to accelerate 

and augment planned green aviation initiatives across these programs.

26

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Aeronautics 828.7 914.8 933.7 954.1 975.2 996.8 

X-59 Low Boom Flight Demonstrator

Trussed-Braced Wing
FY 2022 Budget Request: STEM Engagement

($ in Millions) 

Budget Authority ($M) FY 20201/ FY 20212/ FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Deep Space Exploration Systems 5,959.8 6,517.4 6,880.4 7,014.1 7,263.7 7,514.9 7,772.8 

Exploration Systems Development 4,512.8 4,544.6 4,483.7 4,384.0 4,219.0 3,888.0 3,867.0 

Exploration Research & Development 1,447.0 1,972.8 2,396.7 2,630.1 3,044.7 3,626.9 3,905.8 

Space Technology 1,100.0 1,100.0 1,425.0 1,454.5 1,486.4 1,519.2 1,552.9 

Space Operations 4,134.7 3,988.2 4,017.4 4,109.3 4,103.3 4,103.3 4,103.3 

International Space Station 1,516.1 1,321.6 1,327.6 1,309.7 1,279.4 1,284.5 1,284.5 

Space Transportation 1,746.2 1,872.9 1,771.7 1,827.1 1,849.0 1,843.7 1,843.7 

Space and Flight Support 857.4 776.6 817.0 786.4 788.8 789.0 789.0 

Commercial LEO Development 15.0 17.0 101.1 186.1 186.1 186.1 186.1 

Science 7,143.1 7,300.8 7,931.4 8,095.6 8,272.9 8,455.7 8,643.4 

Earth Science 1,971.8 2,000.0 2,250.0 2,343.5 2,398.3 2,573.0 2,702.3 

Planetary Science 2,712.6 2,699.8 3,200.0 3,196.3 3,266.5 3,226.9 3,168.7 

Astrophysics 1,306.2 1,356.2 1,400.2 1,461.8 1,491.5 1,512.3 1,594.1 

Heliophysics 724.5 751.0 796.7 803.3 816.6 833.6 858.5 

James Webb Space Telescope 423.0 414.7 175.4 172.5 172.0 172.0 172.0 

Biological and Physical Sciences 5.0 79.1 109.1 118.1 128.0 137.9 147.8 

Aeronautics 783.9 828.7 914.8 933.7 954.1 975.2 996.8 

STEM Engagement 120.0 127.0 147.0 150.0 153.3 156.7 160.2 

Safety, Security, and Mission Services 2,913.3 2,936.5 3,049.2 3,112.3 3,180.5 3,250.8 3,323.0 

Mission Services & Capabilities 1,849.7 1,918.3 2,028.8 2,070.8 2,113.7 2,157.6 2,202.4 

Engineering, Safety, & Operations 1,063.6 1,018.2 1,020.4 1,041.5 1,066.8 1,093.2 1,120.6 

Construction & Envrmtl Compl Restoration 432.5 428.5 390.3 398.4 407.1 416.1 425.3 

Construction of Facilities 357.8 370.4 315.6 322.2 329.3 336.7 344.2 

Environmental Compliance and Restoration 74.7 58.1 74.7 76.2 77.8 79.4 81.1 

Inspector General 41.7 44.2 46.0 47.0 48.0 49.1 50.2 

NASA Total 22,629.0 23,271.3 24,801.5 25,314.9 25,869.3 26,441.0 27,027.9 

1/ - FY 2020 reflects funding amounts specified in Public Law 116-93, Consolidated Appropriations Act, 2020, as adjusted in NASA's FY 2020 Initial Operating Plan, except Exploration Ground System Development 

and Exploration CoF. Table does not reflect emergency supplemental funding provided for NASA and included in the Safety, Security, and Mission Services account, as specified in Public Law 116-136, the 

Coronavirus Aid, Relief, and Economic Security Act, totaling $60.0 million.

2/ - FY 2021 reflects funding amounts specified in Public Law 116-260, Consolidated Appropriations Act, 2021, as adjusted by NASA's FY 2021 Initial Operating Plan.
STEM Engagement

• OSTEM is funded $20 million over the FY 2021 enacted with notable increases 

in both Space Grant ($57 million,+$6 million over FY21) and MUREP ($48 

million,+$10 million over FY21 enacted) 

• Invests in the Nation’s next generation of scientists, engineers, technologists, 

mathematicians and explorers

• Creates unique opportunities for a diverse set of students, and engages 

students in unique, authentic learning experiences that contribute to building a 

diverse future STEM workforce

• Continues to enhance the NASA internships program, incorporating strategies 

to contribute to the Agency’s diversity, equity and inclusion priority

• Expands initiatives to attract and retain underserved and underrepresented 

students in STEM fields

28

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

STEM Engagement 127.0 147.0 150.0 153.3 156.7 160.2
FY 2022 Budget Request: SSMS and CECR

($ in Millions) 

Budget Authority ($M) FY 20201/ FY 20212/ FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Deep Space Exploration Systems 5,959.8 6,517.4 6,880.4 7,014.1 7,263.7 7,514.9 7,772.8 

Exploration Systems Development 4,512.8 4,544.6 4,483.7 4,384.0 4,219.0 3,888.0 3,867.0 

Exploration Research & Development 1,447.0 1,972.8 2,396.7 2,630.1 3,044.7 3,626.9 3,905.8 

Space Technology 1,100.0 1,100.0 1,425.0 1,454.5 1,486.4 1,519.2 1,552.9 

Space Operations 4,134.7 3,988.2 4,017.4 4,109.3 4,103.3 4,103.3 4,103.3 

International Space Station 1,516.1 1,321.6 1,327.6 1,309.7 1,279.4 1,284.5 1,284.5 

Space Transportation 1,746.2 1,872.9 1,771.7 1,827.1 1,849.0 1,843.7 1,843.7 

Space and Flight Support 857.4 776.6 817.0 786.4 788.8 789.0 789.0 

Commercial LEO Development 15.0 17.0 101.1 186.1 186.1 186.1 186.1 

Science 7,143.1 7,300.8 7,931.4 8,095.6 8,272.9 8,455.7 8,643.4 

Earth Science 1,971.8 2,000.0 2,250.0 2,343.5 2,398.3 2,573.0 2,702.3 

Planetary Science 2,712.6 2,699.8 3,200.0 3,196.3 3,266.5 3,226.9 3,168.7 

Astrophysics 1,306.2 1,356.2 1,400.2 1,461.8 1,491.5 1,512.3 1,594.1 

Heliophysics 724.5 751.0 796.7 803.3 816.6 833.6 858.5 

James Webb Space Telescope 423.0 414.7 175.4 172.5 172.0 172.0 172.0 

Biological and Physical Sciences 5.0 79.1 109.1 118.1 128.0 137.9 147.8 

Aeronautics 783.9 828.7 914.8 933.7 954.1 975.2 996.8 

STEM Engagement 120.0 127.0 147.0 150.0 153.3 156.7 160.2 

Safety, Security, and Mission Services 2,913.3 2,936.5 3,049.2 3,112.3 3,180.5 3,250.8 3,323.0 

Mission Services & Capabilities 1,849.7 1,918.3 2,028.8 2,070.8 2,113.7 2,157.6 2,202.4 

Engineering, Safety, & Operations 1,063.6 1,018.2 1,020.4 1,041.5 1,066.8 1,093.2 1,120.6 

Construction & Envrmtl Compl Restoration 432.5 428.5 390.3 398.4 407.1 416.1 425.3 

Construction of Facilities 357.8 370.4 315.6 322.2 329.3 336.7 344.2 

Environmental Compliance and Restoration 74.7 58.1 74.7 76.2 77.8 79.4 81.1 

Inspector General 41.7 44.2 46.0 47.0 48.0 49.1 50.2 

NASA Total 22,629.0 23,271.3 24,801.5 25,314.9 25,869.3 26,441.0 27,027.9 

1/ - FY 2020 reflects funding amounts specified in Public Law 116-93, Consolidated Appropriations Act, 2020, as adjusted in NASA's FY 2020 Initial Operating Plan, except Exploration Ground System Development 

and Exploration CoF. Table does not reflect emergency supplemental funding provided for NASA and included in the Safety, Security, and Mission Services account, as specified in Public Law 116-136, the 

Coronavirus Aid, Relief, and Economic Security Act, totaling $60.0 million.

2/ - FY 2021 reflects funding amounts specified in Public Law 116-260, Consolidated Appropriations Act, 2021, as adjusted by NASA's FY 2021 Initial Operating Plan.
Safety, Security, and Mission Services

• SSMS enables all of NASA’s missions by providing foundational support 

capabilities paramount to achieving NASA’s goals

• SSMS provides strategic direction and integration of essential business and 

technical functions at all NASA Centers across the nation

• $612 million for Information Technology including Cyber Security

• $732 million for Mission Enabling Services critical to all NASA Missions

• $685 million for Infrastructure and Technical Capabilities across the Nation

• $187 million for Agency Technical Authority to ensure safety and mission 

success

• $834 million for Engineering, Safety, and Operations for all NASA Centers

30

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Safety, Security, and Mission Services 2,936.5 3,049.2 3,112.3 3,180.5 3,250.8 3,323.0
CECR construction and repair activities are balanced with SSMS maintenance activities to ensure mission success.

Construction & Environmental Compliance & Restoration

• $206 million to construct, repair, or revitalize 

institutional infrastructure that have capabilities across 

all centers

• $89 million to support Exploration mission work

• $21 million to support Space Operations mission work

• $75 million to maintain NASA's commitment to 

environmental stewardship

• NASA continues to balance maintenance, repair, and 

construction activities in context of a growing backlog 

of deferred maintenance

Budget Authority ($M) FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 FY 2026

Construction & Environmental Compliance & Restoration 421.5 390.3 398.4 407.1 416.1 425.3

Category Definition Example

Repair

Fix something broken or 

degraded to restore 

function.

Modernization

Revitalize existing and 

outdated infrastructure 

with upgrades/updates that

improve outcomes and 

reduce risks.

Recapitalization

Replace degraded 

facilities and consolidate to 

new facilities, leading to 

demolition and footprint

reduction.

New Capability

Construct new capabilities 

that enable nextgeneration discoveries and 

advances.

Antiquated to Modern

Lab Spaces

Goddard Flight Projects Building

Dilapidated to Modern

New

LaRC Flight Dynamics 

Research Facility 

(artist rendering of the 

coming project)

Sewage HVAC Water Electric
FY22 Request Strengthens NASA’s Leadership

• Increases investments in climate research and science programs

• Partners with U. S. industry to build a Human Landing System to land the first 

woman and the first person of color on the Moon

• Enhances U. S. competitiveness in the global aviation industry including first 

flights of two new X-vehicles

• Invests in technologies that enhance NASA’s 

missions and foster the space economy

• Invests in space infrastructure and reaffirming the 

U.S. as the world’s premier partner in space 

collaboration for decades to come

• Leverages the Agency’s unique mission to inspire 

students in STEM
Appendix
Acronyms (1 of 3)

• AWE - Atmospheric Waves Experiment

• CCtCap – Commercial Crew Transportation Capability

• CECR – Construction and Environmental Compliance and 

Restoration

• CFM – Cryogenic Fluid Management

• CLARREO PF - Climate Absolute Radiance and 

Refractivity Observatory Pathfinder

• CLPS – Commercial Lunar Payload Services

• CLV – Commercial Launch Vehicle

• CRS – Commercial Resupply Services

• DART - Double Asteroid Redirection Test

• Disc -Discovery

• DO - Designated Observables

• DSAC - Deep Space Atomic Clock

• DSOC - Deep Space Optical Communications

• EGS – Exploration Ground Systems

• ESD – Exploration Systems Development

• EVC - Earth Venture Continuity

• EVI – Earth Venture Instrument

• EVM – Earth Venture Mission

• EVS - Earth Venture Suborbital

• EVS - Earth Venture Suborbital

• GeoCarb - Geostationary Carbon Observatory

• GOES-T - Geostationary Operational Environmental 

Satellite system

• GUSTO - Galactic/Extragalactic ULDB Spectroscopic 

Terahertz Observatory

• HEOMD - Human Exploration and Operations Mission 

Directorate

• HLS – Human Landing System

• ICON - Ionospheric Connection Explorer

34
Acronyms (2 of 3)

• ICPS - Interim Cryogenic Propulsion Stage

• IMAP - Interstellar Mapping and Acceleration Probe

• ISRU - In-Situ Resource Utilization

• ISS – International Space Station

• IT – Information Technology

• IXPE - Imaging X-ray Polarimetry Explorer

• JPSS-2 - Joint Polar Satellite System-2

• JUICE - Jupiter Icy Moons Explorer

• KSC – Kennedy Space Center

• LBFD – Low Boom Flight Demonstrator

• LCRD – Laser Communications Relay Demonstration

• LEO – Low-Earth Orbit

• LOFTID - Low-Earth Orbit Flight Test of an Inflatable 

Decelerator

• LRO – Lunar Reconnaissance Orbiter

• MAF – Michoud Assembly Facility

• MAIA - Multi-Angle Imager for Aerosols

• MEDLI – Mars Entry Descent and Landing 

Instrumentation

• MEGANE - Mars-moon Exploration with GAmma rays and 

Neutrons

• MIDEX - Medium-Class Explorers

• MoO - Missions of Opportunity

• MSD – Mission Support Directorate

• MSFC – Marshall Space Flight Center

• NEOSM – Near-Earth Object Surveillance Mission

• NG – Northrop Grumman

• NISAR - NASA-ISRO Synthetic Aperture Radar

• OMPS-L – Ozone Mapping and Profiler Suite-Limb

• OSAM - On-orbit Servicing, Assembly, and Manufacturing

35
Acronyms (3 of 3)

• PACE - Plankton, Aerosol, Cloud, ocean Ecosystem

• PCM – Post Certification Mission

• PREFIRE - Polar Radiant Energy in the Far-InfraRed 

Experiment

• PUNCH - Polarimeter to Unify the Corona and 

Heliosphere

• R&D – Research and Development

• SEP - Solar Electric Propulsion

• SLS - Space Launch System

• SMD – Science Mission Directorate

• SMEX - Small Explorers

• SNC – Sierra Nevada Corporation

• SOFIA - Stratospheric Observatory for Infrared Astronomy

• SPHEREx - Spectro-Photometer for the History of the 

Universe, Epoch of Reionization and Ices Explorer

• SSC – Stennis Space Center

• SSMS – Safety, Security, and Mission Services

• STEM - Science, Technology, Engineering, and 

Mathematics

• STMD – Space Technology Mission Directorate

• SWOT - Surface Water and Ocean Topography

• TDM – Technology Demonstration Mission

• TEMPO - Tropospheric Emissions: Monitoring Pollution

• TRACERS - Tandem Reconnection and Cusp 

Electrodynamics Reconnaissance Satellites

• TRN – Terrain Relative Navigation

• TROPICS - Time-Resolved Observations of Precipitation 

structure and storm Intensity with a Constellation of 

Smallsats

• TSIS - Total and Spectral Solar Irradiance Sensor

• UAM – Urban Air Mobility

• VIPER - Volatiles Investigating Polar Exploration Rover

• WFIRST - Wide Field Infrared Survey Telescope

• XRISM - X-ray Imaging and Spectroscopy Mission

36