U.S. Air Force Staff Sgt. Kevin Welander, 26th Expeditionary Rescue Squadron, scans his sector during a mission in support of Operation Enduring Freedom aboard an HH-60 Pave Hawk near Kandahar, Afghanistan, Dec. 24, 2010. HH-60 "Pedro" aircrews are on alert 24/7 to provide personnel recovery and medical evacuation support.