Rest in peace
Lt. Col. Javier Casanova pays his final respects June 18, 2010, to 1st Lt. Joel Gentz, a combat rescue officer with the 58th Rescue Squadron, and Staff Sgt. David Smith, a helicopter flight engineer with the 66th Rescue Squadron, during a memorial ceremony at Nellis Air Force Base, Nev. The two were among four Airmen killed when an HH-60G Pave Hawk helicopter crashed June 9 in Afghanistan. (U.S. Air Force photo /Lawrence Crespo)