Senior Airman Robert James, 931st Civil Engineer Squadron, uses a bubble level to ensure a newly installed floor tile is level in Building 1218 at McConnell Air Force Base, Kan., July 11, 2014. James and several other members of the 931 CES spent the July Unit Training Assembly installing new floor tiles in the building as part of a renovation project conducted by Civil Engineer Airmen from both the active-duty 22nd Air Refueling Wing and the Air Force Reserve 931st Air Refueling Group. ). 931 CES Airmen consistently work together with their active duty counterparts from the 22nd Air Refueling Wing to repair and improve the facilities of McConnell Air Force Base. (U.S. Air Force photo by Capt. Zach Anderson)