Staff Sgt. Cody Carlson, a crew chief assigned to U.S. Air Force aircraft 80104, a KC-135R Stratotanker, assists with replacing bearings in a new nose gear tire before installing it, April 10, 2012. Carlson, from Sandwich, Ill., is assigned to the 126th Maintenance Squadron, a unit with the 126th Air Refueling Wing, Illinois National Guard, at Scot AFB, Ill. Crew chiefs perform and oversee everyday maintenance to aircraft. They recover and inspect aircraft after a flight, change tires and brakes, service engine oil and hydraulic fluid, and execute numerous inspections. They ensure an aircraft is safe and reliable.
Master Sgt. Ken Stephens
Taken on 10 April 2012
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