Dr. Doug Lantry, The National Museum of the U.S. Air Force historian, gives Airmen from the 90th Missile Wing a tour of the museum during their heritage and teamwork trip Sept. 4, 2019, at Wright-Patterson Air Force Base, Ohio. The trip allowed Airmen to receive a greater insite into the history of the ICBM history and air power. (U.S. Air Force photo by Senior Airman Abbigayle Williams)