The engine rich exhaust has likely more to do with the fuel input being wrong because of pressure issues in the tanks. SpaceX can afford to continue to iterate

The engine rich exhaust has likely more to do with the fuel input being wrong because of pressure issues in the tanks. SpaceX can afford to continue to iterate. BlueOrigin needs to produced a fixed finished verified engine to a costumer for expensive military payloads. > except Aerojet Rocketdyne prototype Was only a part of the engine.