Gregory Carter, the Air Force Repair Enhancement Program manager assigned to the 28th Maintenance Group, stands in front of the 28th MXG Head Quarters at Ellsworth Air Force Base, S.D., March 31, 2017. As the AFREP Program manager, Carter has help the 28th Bomb Wing save more than $34 million over the past decade he has spent with the group. (U.S. Air Force photo by Airman 1st Class Donald C. Knechtel)