Galaxy Maintenance U.S. maintainers work in the wheel well of a C-5 Galaxy on Bagram Airfield, Afghanistan, Dec. 28, 2015. The C-5 Galaxy is a heavy airlifter with intercontinental range and is the largest U.S. military aircraft capable of carrying more than 270,000 pounds of cargo. U.S. Air Force photo by Tech. Sgt. Robert Cloys SHARE IMAGE: Download Image: Full Size (0.18 MB) Photo By: Tech. Sgt. Robert Cloys VIRIN: 151228-F-TE668-123.JPG Photo Gallery