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U.S. Air Force Maj. Chuck Williston, Delaware Air National Guard, 142nd Aeromedical Evacuation Squadron flight nurse, dons his oxygen mask for a training scenario during a C-5M Super Galaxy AE proof of concept flight from Scott AFB, Illinois, Dec. 5, 2018. Active Duty, Reserve and Delaware Air National Guard Airmen worked together during the PoC to test the cargo compartment of the C-5M with the goal of establishing the aircraft as part of the universal qualification training program for all AE crews. If approved and certified, the C-5M will have the capability to move three times the current capacity in one mission compared to other AE platforms. (U.S. Air Force photo by Joey Swafford)
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