On the other side of Deep Freeze
Staff Sgt. Kara Waldher, an Air Force Reserve aircraft electrician with the 446th Maintenance Squadron, McChord Air Force Base, Wash., services a C-17 battery while making up UTA days. Sergeant Waldher works six months out of the year as an electrician at South Pole Station, Antarctica. She helps provide power to the installation in support of the National Science Foundation. (Air Force photo/Tech. Sgt. Jake Chappelle)