Billy Grimes, U.S. Army Transportation Museum volunteer, welcomes families before they enter a train car during the Night at the Transportation Museum event at Joint Base Langley-Eustis, Va., Oct. 23, 2017. The train exhibit scenario entailed a mock screening for spies, and revealed what rail travel was like during World Wars I and II. (U.S. Air Force photo by Senior Airman Kaylee Dubois)