H.R. 477 explained · 119th Congress · Pending in Congress
MACH Act
Cosponsors: 12 (6 D, 6 R) · per Congress.gov, 2026-10-12
Introduced: 2025-01-16
Latest action (2025-01-16): Referred to the House Committee on Science, Space, and Technology.
What H.R. 477 does, in plain terms
Making Advancements in Commercial Hypersonics Act or the MACH Act This bill permits the National Aeronautics and Space Administration (NASA) to establish a research program to facilitate the testing of high-speed aircraft and related technologies, to be known as the Making Advancements in Commercial Hypersonics Program. Within a specified time period, NASA must develop a strategic plan for such research. NASA must also consult with the Department of Defense and the Federal Aviation Administration on these efforts. Under the program, NASA may not (1) fund the development of hypersonic and related technologies; or (2) enter into an agreement with certain foreign entities of concern, including entities owned or controlled by China, Iran, North Korea, or Russia.
Official summary by the Congressional Research Service, via Congress.gov.
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