Ability to Survive and Operate (ATSO) training
U.S. Air Force Tech Sgt. Matthew Wagenfer, 175th Civil Engineering Squadron, Readiness and Emergency Management Flight, Maryland Air National Guard, instructs U.S. Air Force Lt. Col. Eric Murphy, an A-10 pilot of the 104th Fighter Squadron, how to tie down the hood on the chemical ensemble during Ability to Survive and Operate (ATSO) training on Warfield Air National Guard Base, Baltimore, Md., September 12, 2010. Fifteen personnel from the Readiness and Emergency Management Flight provided ATSO training to over 400 Guard members at seven different stations during the September drill weekend. (U.S. Air Force photo by Tech Sgt. Christopher Schepers /Released)