
United Launch Alliance (ULA) can fulfill the Air Force’s 35 core “block buy” with the rocket engines it currently has on hand, according to a Boeing [BA] space executive who sits on ULA’s board of directors. “We believe we can fully deliver on block buy with the engines we have on hand, new production of RS-68s on the Delta and adjustments in the manifest to move some of the payloads that are dual manifested from one launch vehicle to another,”…