This page from a U.S. Navy aviator's flight logbook documents Link Trainer instruction — ground-based instrument flight simulation used to prepare pilots for flying "blind" in poor visibility. Dated May 29, 1950, the entry certifies the training of Lieutenant W.E. Bancroft only weeks before the outbreak of the Korean War, illustrating the routine peacetime instruction that preceded a generation of naval aviators' combat service. Project: 218132