U.S. Air Force Tech. Sgt. Anthony Wood, a pararescueman with the 46th Expeditionary Rescue Squadron, scans his sector during a mission aboard an HH-60 Pave Hawk helicopter near Kandahar, Afghanistan, Dec. 24, 2010.
A pararescueman's primary function is as a personnel recovery specialist with emergency medical capabilities in humanitarian and combat environments. (DoD photo by Staff Sgt. Eric Harris, U.S. Air Force/Released). Original public domain image from Flickr