GRISSOM AIR RESERVE BASE, Ind., -- Mike Thompson, a radar maintenance technician (front), along with Travis Morris, an air traffic control airport landing systems supervisor, practice the life-saving fundamentals of Cardiopulmonary Resuscitation, or CPR during training that was recently given by the base fire department. Thompson and Morris are members of the 434th Communications Squadron. (U.S. Air Force photo/Tech. Sgt. Patrick Kuminecz)