Air Force Airman 1st Class Alexander Vargas, left, 100th Security Forces Squadron response force member from Las Vegas, Nev., and Air Force Senior Airman Roehl Chapa, 100th SFS Unit Computer Information specialist from Zapata, Texas, take part in a 20 meter HUMVEE pull during a “Defender Challenge” May 21, 2015, on RAF Mildenhall, England. The event was designed to test teamwork and endurance while honoring fallen defenders. Gina Randall

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Photo credit: © PJF Military Collection / Alamy / Afripics
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Keywords: air, airforce, challenge, defender, force, military, states, united, usa