The military designation of the General Electric turbofan engines going on 52 modernized C-5 transports is: F138-GE-100. Wednesday’s entry Lockheed Inducts Next C-5 for Upgrades now reflects that. For those of you wondering, the engine’s commercial designation is: CF6-80C2.
The Space Force has selected six commercial space domain awareness companies to support military operations with both steady-state and surge capacity, as part of the service’s new Commercial Augmentation Space Reserve.

