U.S. Air Force Space and Missile Systems Center personnel and civilian ground crews load the fifth Advanced Extremely High Frequency (AEHF-5) communications satellite onto a C-5C Galaxy aircraft, at Sunnyvale, Calif., April 22, 2019. The AEHF constellation is designed to replace the Milstar satellite constellation. (U.S. Air Force Photo by Airman 1st Class Jonathan Carnell)

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Photo by: Airman 1st Class Jonathon Carnel |  VIRIN: 190422-F-NP696-0001.JPG