Alisha Hamel, U.S. Army Transportation Museum director, speaks about Medal of Honor recipient Spc. Larry Dahl, Dec. 10, 2020, at Joint Base Langley-Eustis, Virginia. Dahl paid his ultimate sacrifice during the Vietnam War, where he threw his body onto an enemy grenade to save his comrades. (U.S. Air Force photo by Staff Sgt. Joshua Magbanua)