RD-180 engine mounted on Atlas 5 rocket. Credit: ULA
Atlas 5 launch
ASRC propellant injector
The Senate Armed Services Committee’s version of the 2016 NDAA, which exempted a total of nine RD-180 engines, prevailed in the compromise bill hashed out by House and Senate conferees. Credit: ULA
Falcon 9 DSCOVR Launch
Expanded diagram Vulcan six boosters
Sen. Bill Nelson (D-Fla.). Credit: NASA/Bill Ingalls
Sen. John McCain
Sen. John McCain is pushing for the Pentagon to rely less on Russian-made launch engines.
Atlas 5/Cygnus launch photo
Senate Armed Services Committee Chairman John McCain (R-Ariz), center, said in January he intended to introduce legislation that would reinstate the National Defense Authorization Act of 2016's RD-180 engine ban. Credit: U.S. Air Force photo/Scott M. Ash
U.S. Rep. Mike Rogers (R-Ala.) questioned whether the Air Force can capably run space programs after trouble with its weather satellite program. Credit: House Armed Services Committee
The House Armed Services Committee (HASC) worked into the middle of the night before approving the National Defense Authorization Act of 2017, which sets policy and spending guidance for the entire U.S. Defense Department. Credit: HASC video screen grab
Atlas 5/Cygnus launch photo

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