Luke AFB hosts its third annual Thunderbolt Cup

An Airman climbs a rope during the Alpha Warrior challenge, one of numerous athletic events during the Thunderbolt Cup Feb. 28, 2018, at Luke Air Force Base, Ariz. The Alpha Warrior challenge saw competitors race to complete a series of obstacles and exercises in the fastest time. (U.S. Air Force photo by Senior Airman Ridge Shan)

PHOTO BY: Senior Airman Ridge Shan
VIRIN: 180928-F-KS667-0011.JPG
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