Former B-17 navigator recalls World War II
William Siler, 98, a World War II veteran, reflects on his service June 4, 2014, on RAF Mildenhall, England. In 1941, Siler joined the Royal Canadian Air Force as a navigator until 1943, when he joined the U.S. Army Air Force. (U.S. Air Force photo/Karen Abeyasekere/Released)