U.S. Air Force Staff Sgt. Robert Johnson, an electrician from the 133rd Civil Engineer Squadron, hammers in a board between the block foundation and prebuilt modular home above sealing the structure in Gallup, N.M., July 24, 2018. The homes are being constructed for Navajo Veterans as part of joint Innovative Readiness Training program led by the Naval Mobile Construction Battalion 22 in partnership with the Southwest Indian Foundation. (U.S. Air National Guard photo by Tech. Sgt. Austen R. Adriaens)