A Purple Heart recipient salutes during the 35th Annual Prisoner of War/Missing in Action Luncheon on Barksdale Air Force Base, La., April 19, 2013. The luncheon was held to honor 25 former Prisoners of War, 115 Purple Heart recipients and the family of Capt. Carl Jackson, Air Force Vietnam pilot still missing in action. (U.S. Air Force photo/Senior Airman Sean Martin)
A row of empty chairs are displayed during the 35th Annual Prisoner of War/Missing in Action Luncheon on Barksdale Air Force Base, La., April 19, 2013. The chairs represent those individuals still missing in action. (U.S. Air Force photo/Senior Airman Sean Martin)
The 35th Annual Prisoner of War/Missing in Action Luncheon was held on Barksdale Air Force Base, La., April 19, 2013. The luncheon honored 25 former Prisoners of War, 115 Purple Heart recipients and the family of Capt. Carl Jackson, Air Force Vietnam pilot still missing in action. (U.S. Air Force photo/Senior Airman Sean Martin)
Maj. Gen. Keith Kries, mobilization assistant to the 8th Air Force commander, speaks during the 35th Annual Prisoner of War/Missing in Action Luncheon held on Barksdale Air Force Base, La., April 19, 2013. Kries is a command pilot with more than 6,000 flying hours, and his Air Force experience includes combat support missions during Operations Desert Storm, Allied Force and Iraqi Freedom. (U.S. Air Force photo/Senior Airman Sean Martin)