In a letter sent Friday, Air Force Assistant Secretary Frank Calvelli said he was “growing concerned” about the United Launch Alliance’s Vulcan rocket.
https://www.washingtonpost.com/technology/2024/05/13/pentagon-worried-ula-vulcan-development/?utm_source=dlvr.it&utm_medium=blogger
https://www.washingtonpost.com/technology/2024/05/13/pentagon-worried-ula-vulcan-development/?utm_source=dlvr.it&utm_medium=blogger