(Left to right) Staff Sgt. Joseph Nix and Airman 1st Class Daniel Lovely, 28th Civil Engineer Squadron fire protection specialists, enter a building with Col. Peter Castor, 28th Bomb Wing vice commander, during a simulated structural fire here, Feb. 5. Colonel Castor joined the fire department during this training exercise to gain a first-hand glimpse of training practices and operations. (U.S. Air Force photo/Airman 1st Class Joshua J. Seybert)