Maj. (Dr.) Aaron Fields, the critical care air transport team leader, and Maj. Alane Garlisi, the 18th Aeromedical Evacuation Squadron detachment commander, prepare to move a National Science Foundation contractor from a C-17 Globemaster III at Christchurch, New Zealand, who had to be medically evacuated from McMurdo Station Antarctica, June 30, 2011. (U.S. Air Force photo/Capt. David Herndon)