FY 2021 NASA 

Spending Plan 

NASA 23,271.3

SCIENCE 7,297.3

Earth Science 1,996.5

Earth Science Research 476.2

Earth Science Research & Analysis .................................................................. 344.4

Carbon Monitoring (non-add)......................................................................... 10.0

Computing & Management ............................................................................... 131.8

Earth Systematic Missions 766.5

NASA/ISRO SAR (NISAR)................................................................................. 75.5

Surface Water and Ocean Topography............................................................. 63.9

Sentinel-6........................................................................................................... 8.0

Landsat 9........................................................................................................... 72.5

Other Missions and Data Analysis..................................................................... 546.7

Pre-Aerosol, Clouds, and Ocean Ecosystem (PACE) (non-add).................... 145.1

Climate Absolute Radiance Refractivity Observatory Pathfinder (non-add)... 24.5

Decadal Survey (non-add)............................................................................. 55.0

Earth System Science Pathfinder 346.4

Venture Class Missions...................................................................................... 263.6

GeoCarb (non-add)........................................................................................ 45.4

GLMR (non-add)............................................................................................ 37.7

Other Missions and Data Analysis .................................................................... 82.7

Earth Science Data Systems 262.3

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION FY 2021 SPENDING PLAN FOR

 APPROPRIATIONS PURSUANT TO P.L. 116-260

June 2021

(Budget Authority, $ in millions)
 FY 2021 NASA 

Spending Plan 

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION FY 2021 SPENDING PLAN FOR

 APPROPRIATIONS PURSUANT TO P.L. 116-260

June 2021

(Budget Authority, $ in millions)

Earth Science Technology 82.2

Applied Sciences 62.9

Planetary Science 2,699.8

Planetary Science Research 304.1

Planetary Science Research & Analysis............................................................ 223.2

Other Missions & Data Analysis......................................................................... 80.9

Planetary Defense 158.1

DART................................................................................................................. 75.5

Planetary Defense OM&DA............................................................................... 82.6

Lunar Discovery and Exploration 443.5

Other Missions & Data Analysis......................................................................... 443.5

Lunar Reconnaissance Orbiter (LRO) (non-add)........................................... 22.2

Commercial Lunar Payload Service (CLPS) (non-add)................................. 233.4

Lunar Future Initiative (non-add).................................................................... 68.7

Discovery 453.3

Lucy................................................................................................................... 143.6

Psyche............................................................................................................... 175.6

Other Missions & Data Analysis......................................................................... 134.1

New Frontiers 150.9

Dragonfly ........................................................................................................... 86.0

Other Missions & Data Analysis......................................................................... 64.9
 FY 2021 NASA 

Spending Plan 

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION FY 2021 SPENDING PLAN FOR

 APPROPRIATIONS PURSUANT TO P.L. 116-260

June 2021

(Budget Authority, $ in millions)

Mars Exploration 339.5

Mars Rover 2020................................................................................................ 155.0

Other Missions & Data Analysis......................................................................... 184.5

Mars Odyssey 2001 (non-add)....................................................................... 11.0

Mars Sample Return (MSR) (non-add)........................................................... 21.9

Mars Sample Return 241.6

Outer Planets 462.5

Europa Clipper................................................................................................... 434.8

Other Missions & Data Analysis......................................................................... 27.7

Icy Satellites Surface Technology (non-add).................................................. 14.2

Radioisotope Power 146.3

Astrophysics 1,356.2

Astrophysics Research 249.3

Astrophysics Research & Analysis..................................................................... 91.1

Balloon Project................................................................................................... 44.8

Science Activation.............................................................................................. 45.6

Other Missions & Data Analysis......................................................................... 67.8

Cosmic Origins 203.8

Hubble Space Telescope................................................................................... 93.3

Stratospheric Observatory for Infrared Astronomy............................................. 85.2
 FY 2021 NASA 

Spending Plan 

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION FY 2021 SPENDING PLAN FOR

 APPROPRIATIONS PURSUANT TO P.L. 116-260

June 2021

(Budget Authority, $ in millions)

Other Missions & Data Analysis......................................................................... 25.3

Search for Life Tech Development (non-add) ...............................................

Physics of the Cosmos: Other Missions & Data Analysis 146.4

Exoplanet Exploration 552.4

Roman-WFIRST (non-add)............................................................................ 505.2

Search for Life Tech Development (non-add)................................................ 10.0

Astrophysics Explorer 204.4

James Webb Space Telescope 414.7

Heliophysics 751.0

Heliophysics Research 280.8

Heliophysics Research & Analysis..................................................................... 77.0

Sounding Rockets.............................................................................................. 73.6

Research Range................................................................................................ 32.0

Other Missions & Data Analysis......................................................................... 98.2

Living With a Star 148.2

Solar Orbiter Collaboration................................................................................. 8.1

Other Missions & Data Analysis......................................................................... 140.1

Space Weather Science Applications (non-add)............................................ 25.0

Geospace Dynamics Constellation (non-add)................................................ 15.0

Solar Terrestrial Probes 148.6

Magnetospheric MultiScale (non-add)............................................................ 26.0
 FY 2021 NASA 

Spending Plan 

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION FY 2021 SPENDING PLAN FOR

 APPROPRIATIONS PURSUANT TO P.L. 116-260

June 2021

(Budget Authority, $ in millions)

DYNAMIC (non-add)...................................................................................... 10.0

Heliophysics Explorer 173.4

Other Missions & Data Analysis......................................................................... 173.4

Biological and Physical Sciences 79.1

AERONAUTICS 828.7

Aeronautics 828.7

Airspace Operations and Safety Program 92.0

Advanced Air Vehicles Program 211.4

Hypersonics Technology Project (non-add)................................................... 40.0

Hypersonics Advanced Materials (non-add)................................................... 8.5

High-Rate Composite A/C Manufacturing (HiCAM)........................................ 11.8

Integrated Aviation Systems Program 278.7

Transformative Aero Concepts Program 129.7

Advanced Materials Research........................................................................ 10.0

Aerosciences Evaluation and Test Capabilities (AETC) 116.9

SPACE TECHNOLOGY 1,100.0

Exploration Technology 1,100.0

Early Stage Innovation and Partnerships 117.5

Agency Technology and Innovation................................................................... 8.4

Early Stage Innovation ...................................................................................... 80.7

Innovative Nanomaterials (non-add) ............................................................. 5.0

Partnerships and Technology Transfers ........................................................... 28.4

Regional Economic Development (non-add).................................................. 6.8
 FY 2021 NASA 

Spending Plan 

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION FY 2021 SPENDING PLAN FOR

 APPROPRIATIONS PURSUANT TO P.L. 116-260

June 2021

(Budget Authority, $ in millions)

Technology Maturation 227.1

Additve Manufacturing (non-add)................................................................... 35.0

On Surface Manufacturing (non-add)............................................................. 6.8

Technology Demonstration 528.4

Laser Communication Relay Demonstration...................................................... 15.1

RESTORE/Space Infrastructure Dexterous Robot............................................. 227.0

Solar Electric Propulsion (SEP).......................................................................... 26.2

Small Spacecraft, Flight Opportunities & Other Tech Demonstration ............... 260.1

OSAM-2 (non-add)........................................................................................ 17.7

Flight Opportunities (non-add)........................................................................ 27.0

STEM and Early Career Research (non-add).......................................... 7.0

Nuclear Propulsion (non-add)......................................................................... 110.0

Flight Demonstration System (non-add)................................................... 80.0

SBIR & STTR 227.0

EXPLORATION 6,511.5

Human Exploration Capabilities 4,538.7

Orion Multi-Purpose Crew Vehicle: Crew Vehicle Dev. 1,403.7

Space Launch System 2,555.0

SLS Program Integration ................................................................................... 66.6

Launch Vehicle Development............................................................................ 2,488.4

Block 1B (non-add) (including EUS) (non-add).............................................. 400.0
 FY 2021 NASA 

Spending Plan 

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION FY 2021 SPENDING PLAN FOR

 APPROPRIATIONS PURSUANT TO P.L. 116-260

June 2021

(Budget Authority, $ in millions)

Exploration Ground Systems 580.0

Exploration Ground System Development...................................................... 569.2

Second Mobile Launch Platform (MLP-2) non-add.................................. 74.0

EGS Program Integration and Support........................................................... 10.8

Exploration Research & Development 1,972.8

Advanced Exploration Systems 176.2

Gateway 698.8

Adv Cislunar and Surface Capabilities 54.5

Human Research Program 115.0

Advanced Technologies to Support Air Revitalization Initiative......................... -

Human Landing System 928.3

SPACE OPERATIONS 3,986.9

International Space Station 1,321.6

International Space Station Program 1,321.6

ISS Systems Operations & Maintenance........................................................... 1,013.8

ISS Research..................................................................................................... 307.8

Biological and Physical Sciences.............................................................. -

Space Transportation 1,872.9

Crew and Cargo Program 1,573.2

Commercial Crew Program 299.7

Space & Flight Support 775.3
 FY 2021 NASA 

Spending Plan 

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION FY 2021 SPENDING PLAN FOR

 APPROPRIATIONS PURSUANT TO P.L. 116-260

June 2021

(Budget Authority, $ in millions)

21st Century Space Launch Complex 8.7

Space Communications & Navigation 506.0

Space Communications Networks..................................................................... 398.3

Space Communications Support........................................................................ 107.7

Human Space Flight Operations 97.8

Launch Services 91.9

Rocket Propulsion Test 47.6

Communications Services Program 23.4

Commercial LEO Development 17.0

STEM Engagement 127.0

STEM Engagement 127.0

STEM Enagement Program 127.0

NASA Space Grant............................................................................................ 51.0

EPSCoR............................................................................................................. 26.0

Minority University Research Education Program.............................................. 38.0

STEM Education & Accountability Projects........................................................ 12.0

SAFETY, SECURITY AND MISSION SERVICES 2,936.5
 FY 2021 NASA 

Spending Plan 

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION FY 2021 SPENDING PLAN FOR

 APPROPRIATIONS PURSUANT TO P.L. 116-260

June 2021

(Budget Authority, $ in millions)

Mission Services and Capabilities 1,918.3

Information Technology 548.6

Mission Enabling Services 702.5

Infrastructure & Technical Capabilities 667.2

Engineering, Safety and Operations 1,018.2

Agency Technical Authority 182.8

IV&V .............................................................................................................. 39.1

Center Engineering, Safety & Operations 835.4

CONSTRUCTION & ENVIRONMENTAL COMPLIANCE & REST. 439.2

Construction of Facilities (CoF) 381.1

Aeronautics CoF -

Institutional CoF 262.9

Exploration CoF 66.2

Space Operations CoF 25.2

Science CoF 26.8

Environmental Compliance & Restoration 58.1

OFFICE OF INSPECTOR GENERAL 44.2