At Lincoln Municipal Airport, STAFF Sergeant Cory Wacker, USAF, (left, front), AIRMAN First Class Douglas Chadwick, USAF, (left) and Technical Sergeant Sam Rienke, USAF, (center back) go over the aircraft maintenance records with Major Steve Burke. USAF, (right front) and Captain John Williams, USAF, before embarking onto the KC-135R on a refueling training mission. All are with the 155th Air Refueling Wing, Nebraska Air National Guard