LANGLEY AIR FORCE BASE, Va. -- Retired Col. Frederick Crow, former prisoner of war, delivers a speech to Langley Airmen and other POWs during a dedication of the POWMissing-in-Action Memorial Sept. 18. Langley Airmen were able to meet with former POWs from World War II, the Korean War and Vietnam War. (U.S. Air Force photo/Senior Airman Dana Hill)