Bob Graveline, Air Force Space and Missile Museum volunteer, educates Royal Canadian Air Cadets from Toronto, Canada, about previous U.S. space missions during their tour of Cape Canaveral Air Force Station, Fla on March 11, 2019. Their tour educated them on the U.S.’s space history and exploration. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

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Photo by: Tech. Sgt. Andrew Satran |  VIRIN: 190311-F-CY114-1010.JPG