Members of the 100th Air Refueling Wing celebrated the U.S. Space Force’s second birthday with cake and astronaut ice-cream sandwiches at Royal Air Force Mildenhall, England, Dec. 20, 2021. The Space Force is part of the Department of the Air Force and is the youngest branch of the U.S. military. (U.S. Air Force photo by Senior Airman Joseph Barron)

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Photo by: Senior Airman Joseph Barron  |  VIRIN: 211220-F-PZ401-1001.JPG