Maj. (Dr.) Aaron Fields, critical care air transport team leader, and Maj. Alane Garlisi, 18th Aeromedical Evacuation Sqaudron detachment commander, prepare to off-load a National Science Foundation contractor in Christchurch, New Zealand, aboard a C-17 Globemaster III, following a medical evacuation mission from McMurdo Station Antarctica, June 30, 2011. Active duty, Guard and Reserve Airmen attached to this mission, which originated at Joint Base Lewis-McChord and staged out of Christchurch, assembled the full range of medical and support capabilities to safely evacuate the patient. The team faced variables such as local tremors, volcanic ash and severe weather condition in Antarctica. (U.S. Air Force Photo/Capt. David Herndon)