Flight testing of the C-5M Galaxy, which wrapped up in August, showed about a 20 percent improvement in fuel efficiency and a takeoff reliability of 82-85 percent, Lockheed Martin mobility programs VP Jim Grant said Wednesday. The C-5M is the product both of the Avionics Modernization Program and the Reliability Enhancement and Re-engining Program. The requirement for full production of the RERP is to achieve 75 percent takeoff reliability, and Grant said the flight tests offered encouragement that the goal will be met. Operational test and evaluation formally starts next summer, but crews will start operating with the C-5M to get familiar with it as early as February, he said. Three C-5s have been reconfigured as C-5Ms—two “B” models and one “A” model. The Air Force decided earlier this year to only perform the RERP on the B fleet, but Grant said he thinks ongoing mobility evaluations may call for retaining all the Galaxys for the long term. The schedule for installing the RERP—assuming it is approved—begins in Fiscal 2010 and wraps up in 2016.
Happy Birthday US Air Force: 78 Today
Sept. 18, 2025
Seventy-eight years ago today, on Sept. 18, 1947, Supreme Court Chief Justice Fred Vinson swore in Stuart Symington as the first ever Secretary of the Air Force, and the Air Force officially became the first new military service since the Revolutionary War.
