Another peerless victory for Hank Reardon! Oh, don't worry about all those facilities you just smoked. The taxpayer is always at hand to pick up the pieces, you magnificent self made man you.
I think it's still a bidding process. That said, the engines are a Russian design, the NK-33, which were mothballed in 1974. The NK-33s were refurbished and re-designated by Aerojet Rocketdyne as the AJ26 and sold to Dulles-based Orbital Sciences for use in Antares.