DAYTON, Ohio -- The National Museum of the U.S. Air Force will commemorate the 73rd Anniversary of the U.S. Air Force with a "Plane Talks" program where visitors have a chance to interact with veterans and subject matter experts on Sept. 18, 2020. CMSgt.(Ret.) Arthur Martinelli and former Staff Sgt. Steve Wing who were both former Crew Chiefs on the CH-3E, will speak with visitors about their experiences. (U.S. Air Force photo by Ken LaRock)