49th Civil Engineer Squadron Airmen listen as Tech. Sgt. Shawn Dorsey, 49th CES Structures non-commissioned officer in charge, briefs them on the next phase of their training, on Holloman Air Force Base, N.M, Sept. 12, 2019. During their training, the 49th CES built small shelter systems and spent the night at a training site on base, practicing integrated defense, defensive fighting positions and individual movement techniques. (U.S. Air Force photo by Airman 1st Class Quion Lowe)