Senior Airman Andy Schmitz, 746th Expeditionary Aircraft Maintenance Unit electrical and environmental systems specialist and native of Minneapolis, fills out warning tags after disconnecting an aircraft battery on a C-130H3 Hercules during a home station check Feb. 28, 2012, in Southwest Asia. Crew chiefs disassemble aircraft components, then specialty shops like propulsion, electrical and environmental, hydraulics, guidance and control, communication navigation, and electronic countermeasures inspect specific components to ensure the aircraft is fully functional. (U.S. Air Force photo/Staff Sgt. Nathanael Callon)