U.S. Air Force Airman 1st Class Ryan Munchel transfers liquid oxygen to an LOX reservoir in a C-130J Super Hercules aircraft on the flightline at Bagram Airfield, Afghanistan, May 5, 2015. Munchel is assigned to the 455th Expeditionary Aircraft Maintenance Squadron. U.S. Air Force Airman 1st Class Ryan Munchel transfers liquid oxygen to an LOX reservoir in a C-130J Super Hercules aircraft on the flightline at Bagram Airfield, Afghanistan, May 5, 2015. Munchel is assigned to the 455th Expeditionary Aircraft Maintenance Squadron. SHARE: Download: Full Size (1.65 MB) Tags: photo essays Credit: VIRIN: 405308-J-XRO03-688.jpg Photo Gallery