60
Today the U.S. and Canada celebrated the 60th anniversary of @Norad_Northcom with a ceremony and flyovers by U.S. and Canadian military aircraft on Peterson Air Force Base, Colo. More photos here: https://t.co/orudyR4NGt and All related media here: https://t.co/SlpVEZ2K7o pic.twitter.com/yQJOR1sWA5
— DVIDSHub (@DVIDSHub) May 12, 2018