Lt. George M. Johnson was one of 10 servicemen killed Jan. 21, 1944, when the B-24J bomber he was co-piloting crashed into Tarawa lagoon in the South Pacific.
Potential Islamic State threats against Americans in Afghanistan are forcing the U.S. military to develop new ways to get evacuees to the airport in Kabul.
By Ahmad Seir and Lolita C. Baldor, The Associated Press