U.S. Air Force STAFF SGT. Paul Theriault, a member from the 66th Aerial Port Squadron at McChord AFB, WA, conducts and unloads cargo from the KC-10 aircraft from 6th Air Refueling Squadron (Air Force Reserves) from March AFB, CA, using a Cochren loader. The crew is responsible for unloading cargo from the planes during this joint service, multinational exercise that tests the ability of participating units to fight in a desert environment