Lockheed Martin C-5 AMP

This year, that operational requirement comes as the U.S. Air Force also undergoes a large-scale overhaul of its force structure.

The service seeks shift from one-for-one replacement of KC-135s and C-17s to a series of aircraft, from the basic to the exquisite.

Lockheed Martins announces it will use the GE Aerospace CF6 to power its LMXT should the Airbus A330-based aircraft be built for tanker-transport service.