Photo essay: Airmen train at Fort Irwin Published Nov. 12, 2010 By Senior Airman Stephanie Rubi 99th Air Base Wing Public Affairs FORT IRWIN, Calif. (AFNS) -- Members of the 12th Combat Training Squadron here participate in a combat training scenario Nov. 1. The squadron is part of the 57th Wing at Nellis Air Force Base, Nev. View the slideshow.