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21st Space Wing celebrates 25 years with special events

CHEYENNE MOUNTAIN AIR FORCE STATION, Colo. – Runners participating in the Memorial Day 5k Tunnel Run sprint past the main blast doors inside Cheyenne Mountain Air Force Station, Colo., May 25, 2017. The blast doors of CMAFS weight in at 23 ton. (U.S. Air Force photo by Airman 1st Class Dennis Hoffman)

PHOTO BY: Airman 1st Class Dennis Hoffman
VIRIN: 170525-F-SO188-1384.JPG
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