U.S. Air Force Col. John Allen, 633rd Air Base Wing commander, presents Ruth Hartz, Holocaust survivor, a donation of fifty dollars for the Holocaust Remembrance and Education Center at Langley Air Force Base, Va., April 16, 2015. This year marks the 70th anniversary since the defeated Germans capitulated to allied forces. (U.S. Air Force photo by Airman 1st Class Devin S. Michaels/Released)