
The Air Force on Monday awarded the final other transaction agreements (OTA) to Aerojet Rocketdyne [AJRD] and United Launch Alliance (ULA) for shared public-private investments in rocket propulsion system (RPS) prototypes, according to a service statement.The award to Aerojet Rocketdyne is for development of the AR1 rocket propulsion system. The initial government investment is $115 million. The other award, to ULA, is for the development of the Vulcan/BE-4 and ACES rocket propulsion systems. The initial government investment for ULA is…