A United Launch Alliance (ULA) Delta IV Heavy rocket carrying the NROL-82 mission for the National Reconnaissance Office (NRO) launched from Vandenberg Air Force Base on April 26th, 2021. Valcor Engineering Corporation designs and manufactures the propulsion valves for the Delta IV Heavy rocket, which control hydrogen, oxygen and helium in the system under cryogenic conditions. Through this work, Valcor supports American national security by making space launch for important payloads possible.
(Photo Credit: United Launch Alliance)
We are proud to have 31 valves on the Delta IV Heavy rocket: