The FY 2019 Budget includes a new account structure for human space exploration and technology programs to 

improve alignment of funding with NASA’s new strategic space exploration objectives. 

 Exploration Systems Development (ESD)

- ESD programs are working together to build the space transportation system made up of the

Orion crew vehicle, Space Launch System (SLS) rocket, and Exploration Ground Systems 

(EGS). This system will enable the Agency’s new mission to extend human presence into the 

solar system, starting with a return to the Moon. The Exploration Mission (EM)-1 uncrewed 

test flight is planned for FY 2020 and EM-2 first crewed flight is planned for 2023. 

- The Orion program will continue final assembly and testing of the EM-1 crew vehicle at KSC

and continue hardware production of the EM-2 crew vehicle at MAF and KSC. 

- The SLS rocket’s production and certification for flight will continue at MAF and MSFC

along with engine and core stage testing at SSC. Key rocket components will deliver to EGS

at KSC for integration into the final flight launch vehicle with the Orion crew vehicle.

- EGS will continue to prepare launch infrastructure and operations requirements in support of

the SLS and Orion programs. Modifications to existing facility and command and control

systems will be ongoing.

- NASA will explore approaches for reducing the costs of future exploration missions to enable

a more expansive exploration program.

 Advanced Exploration Systems

- Exploration Advanced Systems (EAS) focuses on advanced design, development, and

demonstration of exploration capabilities to reduce risk, lower life cycle cost and validate

operational concepts for future human missions to deep space. EAS leads development of new

approaches to project and engineering management, such as rapid systems development or

alternative management concepts, open innovation, and collaboration.

- Lunar Orbital Platform – Gateway (LOP-G) will establish a platform to mature necessary

short- and long-duration deep space exploration capabilities through the 2020s. The LOP-G

FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 

Deep Space Exploration Systems 4,184.0 4,222.6 4,558.8 4,859.1 4,764.5 4,752.5 4,769.8

Exploration Systems Development 3,929.0 3,902.3 3,669.8 3,790.5 3,820.2 3,707.5 3,845.6

Exploration Ground Systems 471.9 426.1 428.2 589.9 520.8 458.7 451.9

Orion Program 1,330.0 1,340.8 1,163.5 1,137.7 1,134.2 1,117.8 1,117.8

Space Launch System 2,127.1 2,135.4 2,078.1 2,062.9 2,165.1 2,131.0 2,276.0

Advanced Exploration Systems 97.8 229.1 889.0 1,068.6 944.3 1,045.0 924.1

Adv Cislunar and Surface Capabilities 0.0 0.0 116.5 146.0 163.7 300.0 320.3

Exploration Advanced Systems 97.8 177.6 268.2 260.7 240.6 186.1 144.7

Lunar Orbital Platform - Gateway 0.0 51.5 504.2 662.0 540.0 558.9 459.1

FY 2019 Budget Request

Deep Space Exploration Systems

($ Millions)
will be assembled in orbit around the Moon where it can also be used as a staging point for 

missions to the lunar surface and to destinations in deep space, providing a flexible human 

exploration architecture. LOP-G can be evolved depending on mission needs (exploration, 

science, commercial and international partners), as there are various concepts for its 

configuration. Current analysis is that the initial functionality will include four main elements: 

a Power and Propulsion Element (PPE), a small habitation element, airlock element(s) to 

enable Extra-Vehicular Activities (EVA), utilization, and required logistics element(s). 

- Advanced Cislunar Surface Capabilities (ACSC) plans to develop a series of progressively 

more capable robotic lunar missions to the surface of the moon. ACSC will use innovative 

approaches to engage U.S. industry capabilities and possible international partners as the 

agency moves toward human exploration of the lunar surface. 
The FY 2019 Budget includes a new account structure for human space exploration and technology programs to 

improve alignment of funding with NASA’s new strategic space exploration objectives. 

The Exploration Research & Technology account consolidates and refocuses the programs of the former Space 

Technology Mission Directorate on research and technology development that addresses human space exploration 

needs, while continuing to foster commercial expansion in low Earth orbit, cislunar space and beyond. Primary 

focus areas include: 

 Advanced environmental control and life support systems & in-situ resource utilization (ISRU); 

 Power and propulsion technology; 

 Advanced materials; 

 Communications, navigation and avionics; 

 Entry, descent and landing; 

 Autonomous operations; 

 In-space manufacturing and on-orbit assembly; and 

 Research to enable humans to safely and effectively operate in various space environments. 

Exploration Research & Technology will continue to support a combination of unique in-house activities 

competitive programs, and public-private partnerships to develop and test technologies that enable exploration 

missions. The Exploration Research & Technology account includes the following programs: 

 Early Stage Innovation and Partnerships support basic research, applied research, and early technology 

development to spur innovations that transform future capabilities. The program cultivates new ideas and 

alternative approaches to solving difficult and far reaching exploration challenges by leveraging the technical 

capabilities of the experts across the nation; academia, industry, entrepreneurs, and the NASA Centers. 

 Technology Maturation advances disruptive space technologies that may eventually support exploration and 

other missions from proof of concept to demonstration, maturing transformational and foundational 

technologies that primarily reside between early stage research and flight demonstration. 

 Technology Demonstration conducts system level ground-based testing to determine feasibility, as well as 

space flight demonstrations of technologies and systems to effectively transition technologies and new 

capabilities for NASA exploration missions and for use by other government agencies and industry. 

 Human Research Program conducts cutting edge research on the effects of spaceflight to the human body 

using the ISS and supports Deep Space Exploration habitat design and development to ensure crew health and 

performance risks are adequately addressed. 

FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 

Exploration Research and Technology 826.5 820.8 1,002.7 912.7 912.7 912.7 912.7

Exploration Research and Technology 826.5 820.8 1,002.7 912.7 912.7 912.7 912.7

Early Stage Innovation and Partnerships 89.7 94.7 108.4 103.0 107.0 107.0 107.0

Technology Demonstration 262.8 266.9 332.7 293.1 286.9 284.4 284.2

Technology Maturation 135.0 140.2 216.5 178.6 180.8 183.3 183.5

Human Research Program 140.0 139.0 140.0 140.0 140.0 140.0 140.0

SBIR and STTR 199.0 180.0 205.0 198.0 198.0 198.0 198.0

FY 2019 Budget Request

Exploration Research and Technology

($ Millions)
 Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) Programs 

leverage the Nation’s innovative small business community to support early-stage research and development in 

support of NASA's mission in human exploration, science and aeronautics. 
The FY 2019 Budget includes a new account structure for human space exploration and technology programs to 

improve alignment of funding with NASA’s new strategic space exploration objectives. 

 International Space Station (ISS) 

- NASA is developing plans to transition NASA activities to commercial partners following the 

end of direct federal funding for the ISS in 2025. 

 

- As the world’s only current crewed space-based multinational research laboratory and 

technology test bed, ISS is critical to the future of deep space human exploration. The ISS 

also: 

- Promotes commerce in space through public-private partnerships as new 

commercialization concepts are explored. 

- Advances exploration of the solar system and enables scientists to identify and quantify 

risks to human health and performance, develop countermeasures, and develop and test 

technologies that protect astronauts during extended human space exploration. 

- Supports unique research and development opportunities in the areas of biological and 

physical sciences processes. 

- Maintains the ISS international partnership that has brought together many spacefaring 

nations in peaceful cooperative activity.. 

- Supports current and planned Earth and Space Science observation missions. 

FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 

LEO and Spaceflight Operations 4,942.5 4,850.1 4,624.6 4,273.7 4,393.3 4,430.3 4,438.0

International Space Station 1,450.9 1,450.2 1,462.2 1,453.2 1,471.2 1,466.2 1,451.2

Space Transportation 2,589.0 2,454.6 2,108.7 1,829.1 1,858.9 1,829.2 1,807.3

Commercial Crew Program 1,184.8 731.9 173.1 35.8 36.3 36.3 36.3

Crew and Cargo Program 1,404.2 1,722.7 1,935.6 1,793.2 1,822.6 1,792.8 1,771.0

Space and Flight Support (SFS) 902.6 945.3 903.7 841.4 888.2 934.9 954.6

21st Century Space Launch Complex 20.0 20.0 0.0 0.0 0.0 0.0 0.0

Human Space Flight Operations 123.1 141.6 135.4 136.4 136.4 145.9 147.8

Launch Services 85.7 86.8 86.6 88.6 88.6 88.6 88.6

Rocket Propulsion Test 43.7 47.6 47.6 47.6 47.6 47.6 47.6

Space Communications and Navigation 630.1 649.3 634.1 568.8 615.6 652.9 670.6

Commercial LEO Development 0.0 0.0 150.0 150.0 175.0 200.0 225.0

FY 2019 Budget Request

LEO and Space Flight Operations

($ Millions)
 Space Transportation 

- Continues NASA’s partnership with U.S. commercial space industry to develop and operate 

safe, reliable, and affordable systems to transport crew to and from the ISS and low Earth 

orbit. This strategy will lay the foundation for more affordable and sustainable future human 

space transportation capabilities, bolster American leadership, reduce our current reliance on 

foreign providers for this service, and help stimulate the American aerospace industry. 

- Sustains NASA’s ISS cargo supply function in partnership with American private industry. 

- Continues to advance commercial spaceflight and generate American jobs.

 Space and Flight Support 

- Provides mission-critical space communications and navigation services to customer 

missions, including human, science, and commercial crew and cargo missions. 

- Provides seed funding for the transition of the Space Network communications satellite 

system to commercial partnerships and services. 

- Advances next generation near Earth (TDRS system replacement) and deep space (Mars 

network) architecture options, incorporating new capabilities for on-demand services, 

Delay/Disruption Tolerant networking, and autonomous navigation; using public-private 

partnership type acquisition strategies where feasible.

- Infuses new technologies to enable significant reductions in system acquisition and operations 

cost while improving network flexibility, scalability, and security. 

- Supports the readiness and health of the crew for all NASA human spaceflight endeavors. 

- Provides safe, reliable, and cost-effective launch services for civil sector missions, as well as 

gives launch-related support to over 40 NASA scientific spacecraft missions in various phases 

of development. 

- Continues to strategically manage NASA’s rocket testing core capability to meet U.S. rocket 

testing requirements.

 Commercial LEO Development 

- Proposes to end direct U.S. financial support for the International Space Station in 2025, after 

which NASA would rely on commercial partners for its low Earth orbit research and technology 

demonstration requirements.

- Assist the commercial space industry in developing a sustained commercial low earth orbit 

presence. 

- Encourages and funds commercial development of platforms and capabilities for use by the 

private sector and NASA to enable a seamless transition from ISS. 

- NASA plans to task commercial industry to submit formal proposals for future platforms and 

capabilities. We expect to see market analysis and business plans as part of these proposals.
 Includes four major science areas 

- Planetary Science to explore the planetary bodies of our solar system. Included is a new Lunar 

Discovery and Exploration program that supports public-private partnerships and innovative 

approaches to achieving human and science exploration goals, including the eventual return of humans 

to the moon, and a new Planetary Defense program for near-Earth object detection and mitigation. The 

Budget provides continued funding for the Europa Clipper mission, the InSight and Mars 2020 

missions, the recently selected Lucy and Psyche missions, the next New Frontiers mission, and 

radioisotope power systems for deep-space missions. 

- Astrophysics to study the universe and search for Earth-like planets, including the James Webb Space 

Telescope, TESS, and the recently selected IXPE and GUSTO missions. TESS is on track for launch in 

2018, and Webb will launch in 2019. The WFIRST mission is proposed for termination due to its 

significant cost and higher priorities within NASA. Funding made available from the proposed 

WFIRST termination is redirected towards competed Astrophysics missions and research, including 

Explorer and probe-class missions, consistent with priorities outlined in the Decadal Survey. 

- Heliophysics to study the Sun and its influence throughout the solar system, including launch of Parker 

Solar Probe in 2018 and the Solar Orbiter Collaboration with ESA. The Budget increases funding to 

support the DRIVE initiative and interagency efforts to improve space weather predictive capabilities, 

both priorities in the Decadal Survey. 

- Earth Science to improve modeling of Earth as a system, weather prediction, and natural hazard 

mitigation by making observations of the land, atmosphere, and oceans from spacecraft and suborbital 

platforms. Consistent with the FY 2018 Budget Request, assumes termination of five Earth science 

missions: PACE, OCO-3, RBI, DSCOVR Earth-viewing instruments, and CLARREO Pathfinder. 

Following a detailed internal review in January 2018, NASA cancelled the RBI due to cost and 

technical challenges. 

 

 Supports about 100 space missions 

- About 40 missions currently preparing for launch and about 60 operating missions. 

- In addition, ongoing flights of sounding rockets, aircraft, and high-altitude balloons. 

 Focuses on three interdisciplinary objectives 

- Discovering the secrets of the Universe 

- Searching for life in the Solar System and beyond 

- Safeguarding and improving life on Earth 

 Invests in developing advanced technologies 

FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 

Science 5,762.2 5,725.8 5,895.0 5,859.9 5,841.1 5,822.4 5,803.6

Earth Science 1,907.7 1,754.1 1,784.2 1,784.2 1,784.2 1,784.2 1,784.2

Planetary Science 1,827.5 1,943.5 2,234.7 2,199.6 2,180.8 2,162.1 2,143.3

Astrophysics 1,352.3 1,350.4 1,185.4 1,185.4 1,185.4 1,185.4 1,185.4

Heliophysics 674.7 677.8 690.7 690.7 690.7 690.7 690.7

FY 2019 Budget Request

Science

($ Millions)
- Providing novel partnership opportunities between commercial partners and NASA through a new 

Lunar Discovery and Exploration program, a CubeSat/SmallSat initiative targeted at specific highpriority science goals, and other efforts. 

- Developing optics and detectors to find planets around other stars, instruments to look for signs of past 

or present life on Mars and other planetary bodies, and instruments to take the pulse of our planet. 

- Engaging industry, academia, and other government labs via open, competitive solicitations. 

 Supports over 10,000 U.S. scientists 

- Over 3,000 openly competed research awards with universities, industry, and government labs. 

- World-leading research, frequently highlighted on the covers of Science, Nature, and major 

newspapers. 

 Includes partnerships with a dozen other Federal agencies and sixty other nations 

- Collaborating with other science agencies and agencies that need science results, including NSF, DOE, 

NOAA, FAA, USDA, DOI, EPA, and DOD 

- Partnering with longstanding and newly space-faring nations. 

- Building and launching the nation’s weather satellites for NOAA. 

 Provides benefits to our nation and our planet 

- Leading the scientific exploration of the Earth, the solar system, and the universe beyond. 

- Enhancing economic growth and improving quality of life via high-tech jobs and new technologies. 

- Assisting responses to national and international disasters. 
NASA Aeronautics conducts research to transform advances in the safety, capacity, and efficiency of the air 

transportation system and to sustain U.S. technological leadership in the aviation industry. The budget request 

supports four distinct programs within the Agency’s aeronautics portfolio: 

 Airspace Operations and Safety Program (AOSP) works in close partnership with the FAA and the 

aviation community to enable modernization and transformation of the NAS to meet evolving user needs. 

The program is on the leading edge of research into increasingly autonomous aviation systems, including 

innovation in the management of Unmanned Aircraft Systems (UAS) traffic at low altitude and other novel 

aviation vehicles. The program is also pioneering the real-time integration and analysis of data to support 

system-wide safety assurance. In FY 2019, AOSP will: 

o Demonstrate an integrated arrival, departure, and surface system capability to improve airport 

operating efficiency. 

o Demonstrate a new UAS traffic management capability focused on large scale, beyond visual line 

of sight UAS operations at low altitude in moderately populated areas. 

 Advanced Air Vehicles Program (AAVP) researches technologies to meet growing long-term civil 

aviation needs and conduct hypersonic research to meet national needs. The program works in close 

partnership with academia and industry to pioneer fundamental research and to mature the most promising 

technologies and concepts for transition to the aviation industry. In FY 2019, AAVP will: 

o Increase NASA’s investment in hypersonics, supporting key experiments to demonstrate an 

autonomous mode transition for hypersonic systems and stronger collaboration with other 

government agencies and universities. 

o Complete the Advanced Composites Project and deliver the tools and computational models that 

will enable reductions in development time of 30 percent. 

o Complete testing of light weight high aspect ratio wing to validate efficiency benefits. 

 Integrated Aviation Systems Program (IASP) includes the low boom flight demonstrator project that will 

pave the way for eventual over-land commercial supersonic flight. The program explores, assesses, and 

demonstrates the benefits of the most promising technologies at an integrated system level in a relevant 

environment, which is often in flight. The program develops and tests technologies to enable routine access 

of UAS into the NAS. In FY 2019, IASP will: 

o Complete a critical design review of the Low Boom Flight Demonstrator X-Plane that will 

demonstrate quiet overland supersonic flight, enabling the creation of a new civil supersonic market 

for U.S. industry. 

o Advance electric propulsion systems by flight testing an all-electric aircraft, the X-57. 

 Transformative Aeronautics Concepts Program (TACP) demonstrates initial feasibility of concepts 

supporting the discovery and development of new transformative solutions supporting the NASA 

Aeronautics strategy. In FY 2019, TACP will: 

o Develop multidisciplinary design optimization capabilities that will enable assessment of On 

Demand Mobility vehicle designs. 

FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 

Aeronautics 656.0 655.5 633.9 623.9 608.9 608.9 608.9

Aeronautics 656.0 655.5 633.9 623.9 608.9 608.9 608.9

Advanced Air Vehicles Program 274.6 231.1 230.6 248.5 257.1 257.8 258.3

Airspace Operations and Safety Program 140.6 117.9 90.8 96.2 120.4 122.7 122.9

Integrated Aviation Systems Program 125.0 198.1 189.2 154.1 106.6 103.3 102.5

Transformative Aero Concepts Program 115.8 108.4 123.3 125.1 124.9 125.1 125.1

FY 2019 Budget Request

Aeronautics

($ Millions)
o Award the third round of the competitive University Leadership Initiative proposals to address 

critical barriers to achieving Aeronautics strategic objectives. 
Directly enables NASA’s portfolio of missions in aeronautics and space exploration. The FY 2019 request 

provides the operations, tools, equipment, and capabilities to safely operate and maintain NASA centers and 

facilities and the independent technical authority required to reduce risk to life and program objectives for all 

NASA missions. 

 Center Management and Operations fund ongoing management, operations, and maintenance of 

NASA Centers and associated component facilities, including: 

- Center Institutional Capabilities provide the basic support required to meet internal and external 

requirements; effectively manage human capital, information technology, and facility assets; 

responsibly execute financial management and acquisition responsibilities; and provide a safe, 

secure, and environmentally sustainable workplace. 

- Center Programmatic Capabilities provide technical facilities, workforce expertise and skills, 

equipment, and other cross-cutting resources required to implement the programs at the Centers and 

ensure engineering and safety oversight of NASA programs. 

 Agency Management and Operations fund the management and oversight of Agency programs and 

functions, and performance of NASA-wide mission support activities, including: 

- Agency Management supports executive-based, Agency-level functional and administrative 

management requirements and the operational activities at Headquarters. 

- Safety and Mission Success activities help reduce the risk and loss of life and/or mission, in our 

manned and unmanned programs. The activities include engineering; safety and mission assurance; 

independent health and medical oversight; and independent software verification and validation. 

- Agency Information Technology Services provide mission-enabling IT capabilities, risk-based 

cyber security, and a sustainable management approach to support NASA’s diverse mission needs; 

Investments in critical IT infrastructure and enterprise solutions support modernization of Agency 

systems, increased automation, and optimization of enterprise-wide IT service solutions. The FY 

2019 request increases Agency IT Services to strengthen cybersecurity capabilities and safeguard 

critical systems and data. 

Strategic Capabilities Assets Program provide the skilled workforce and essential preventive 

maintenance to keep core test facilities available to meet the current and future Agency needs and to 

ensure core test facilities are in a state of readiness. 

FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 

Safety, Security, and Mission Services 2,768.6 2,749.8 2,749.7 2,744.8 2,738.6 2,732.3 2,726.1

Center Management and Operations 1,986.5 1,971.1 1,949.6 1,945.4 1,939.8 1,934.1 1,928.5

Agency Management and Operations 782.1 778.7 800.1 799.4 798.8 798.2 797.6

Agency Management 359.2 358.6 359.5 358.8 358.2 357.6 357.0

Safety and Mission Success 176.3 175.1 175.8 175.8 175.8 175.8 175.8

Agency IT Services (AITS) 219.8 218.3 238.1 238.1 238.1 238.1 238.1

Strategic Capabilities Asset Program 26.8 26.7 26.7 26.7 26.7 26.7 26.7

FY 2019 Budget Request

Safety, Security, and Mission Services

($ Millions)

Directly enables NASA’s portfolio of missions in aeronautics and space exploration. With 

installations in 14 states, NASA collectively manages $39 billion in constructed assets with an 

inventory of over 5,000 buildings and structures. The focus is on renewing and sustaining only 

what is crucial to mission success and divesting of unneeded older, costly real property to lower 

the cost of operations. The budget funds: 

 Institutional Construction of Facilities to fund capital repairs and improvement to ensure 

that center infrastructure critical to achieving NASA’s space and aeronautics programs are 

safe, secure, environmentally sound, and operate efficiently. NASA seeks to achieve a 

sustainable and energy-efficient infrastructure by replacing old, inefficient, deteriorated 

buildings with new, efficient, high-performance buildings while reducing the footprint. 

- In addition to critical repair projects, the FY 2019 budget provides $35.6 million to 

construct the Glenn Research Center Aerospace Communications facility. This state of 

the art facility replaces obsolete facilities to enable the development of communications 

and navigation infrastructure, and service for human Lunar and Mars missions. 

- The request also provides $15.0 million for the continued restoration of the Kennedy 

Space Center shoreline, and $24.6 million for shoreline protection at the Wallops Flight 

Facility. Restoration of the shoreline is essential to protect critical launch operations from 

inland flooding which would halt operations. 

- Other critical projects include repairing the Lewis Field Storm Sewer System at the 

Glenn Research Center. This Center-wide storm system impacts several buildings 

containing research and test labs that have experienced water failures of varying severity. 

Storm water in facilities has impacted mission readiness in support of the International 

Space Station (ISS), Space Launch System (SLS), Orion Multi-Purpose Crew Vehicle 

(MPCV), Subsonic air transportation system and Aeronautics Evaluation and Test 

Capabilities.

- Another critical repair is the revitalization of Pressure and Propellant Distribution 

Systems at the Marshall Space Flight Center. This project restores the cross-center 

distribution system that provides high pressure air to the core research and test facilities 

that support missions including ISS Payload Operations Center and the Environmental 

Control and Life Support Systems (ECLSS) onboard ISS, Advanced Exploration 

FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 

Construction & Envrmtl Compl Restoration 375.6 358.3 388.2 293.8 293.8 293.8 293.8

Construction of Facilities 305.4 288.0 305.3 210.9 210.9 210.9 210.9

Institutional CoF 253.2 265.6 250.9 210.9 210.9 210.9 210.9

Science CoF 2.7 0.0 9.6 0.0 0.0 0.0 0.0

Exploration CoF 8.8 5.8 25.9 0.0 0.0 0.0 0.0

Space Operations CoF 36.7 16.6 18.9 0.0 0.0 0.0 0.0

Environmental Compliance and Restoration 70.2 70.3 82.9 82.9 82.9 82.9 82.9

FY 2019 Budget Request

Construction & Environmental Compliance Restoration

($ Millions)
Systems, SLS, Orion MPCV, Solar Probe Plus, Technology Demonstration Missions, 

Space Technologies Demonstrations, and Exploration Robotic Programs.

 Programmatic Construction of Facilities projects to carry out specific Science, Exploration 

Systems, and Space Operations programmatic requirements. Funding in this category is 

realigned from the mission directorates to the CECR budget to effect statutory direction that 

all NASA construction projects be funded in the CECR account. Projects include $13.3 

million for continued modifications required to Kennedy Space Center facilities for 

Exploration Upper Stage, and $16.9 million to improve reliability of NASA’s Deep Space 

Network. Funding associated with all program designs and out-year programmatic 

construction activities remains in program accounts. 

 Environmental Compliance and Restoration to support cleanup of hazardous materials 

and waste released to the surface or groundwater at NASA installations, NASA-owned 

industrial plants supporting NASA activities, current or former sites where NASA operations 

contributed to environmental problems, and other sites where the Agency is legally obligated 

to address hazardous pollutants. The FY 2019 budget provides $82.9 million for remedial 

investigations, soil and groundwater cleanups at Santa Susana Field Laboratory, White Sands 

Test Facility, Kennedy Space Center, and Marshall Space Flight Center and continued 

operations of treatment systems and monitoring at the rest of the NASA centers and facilities.