军用背包厂家US Air Force (USAF) Pararescue personnel assigned to Baghdad International Airport (BIAP), perform a hoist extraction of a survivor during an Urban Operations Training Exercise (UOTE) at the Maltz training site, in support of Operation IRAQI FREEDOM.军用背包厂家OPERATION IRAQI FREEDOM — Pararescuemen with the 301st Rescue Squadron return with a pilot after successfully rescueing him during an April 8 mission at a forward-deployed location in southern Iraq. Air Force pararescuemen, also known as PJs, are the only Department of Defense specialty specifically trained and equipped to conduct conventional or unconventional rescue operations. A PJ’s primary function is as a personnel recovery specialist, with emergency medical capabilities in humanitarian and combat environments. (U.S. Air Force photo by Staff Sgt. Shane A. Cuomo)