Holloman Solar Observatory
Senior Airman Sidney Johnson, 2d Weather Squadron, Detachment 4, solar analyst, completes a daily sunspot analysis, March 19, 2019, on Holloman Air Force Base, N.M. Holloman is one of five DoD solar observatories around the world. (U.S. Air Force photo by Staff Sgt. Christine Groening)

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Photo by: Staff Sgt. Christine Groening |  VIRIN: 190320-F-WZ808-0043.JPG