U.S. Air Force airmen take part in a quarterly weapons load crew competition at Osan Air Base, South Korea, on May 6, 2011. A team from the 25th Aircraft Maintenance Unit, 36th Aircraft Maintenance Unit and 354th Expeditionary Fighter Squadron loaded a Mark 82 general purpose bomb, a CBU-87 air delivered cluster weapon system and an AIM-9 Sidewinder air-to-air missile during the timed portion of the event.