Staff Sgt. Calvin Myers, left, and Tech. Sgt. Luis Garcia-Alvarez, 22nd Civil Engineer Squadron structural craftsmen, install a door in building 1219 Aug. 11, 2015, at McConnell Air Force Base, Kan. More than 20 doors were installed within the last four months. (U.S. Air Force photo by Senior Airman Colby L. Hardin)