TCM maintainers keep C-17s mission-ready
Left, Airman 1st Class David Buchanan, C-17 Globemaster III crew chief, and Staff Sgt. Joshua Lanoue, electrical and environmental systems technician, both with the 728th Air Mobility Squadron Operating Location-Alpha, push a cart carrying gaseous oxygen tanks Feb. 21, 2013, at Transit Center at Manas, Kyrgyzstan. Lanoue and Buchanan replaced a liquid oxygen converter onboard a C-17 and used gaseous oxygen tanks to perform an operational check of the onboard system. (U.S. Air Force photo/Staff Sgt. Stephanie Rubi)