Monster Mash competitors run while wearing gas masks during the 352nd Special Operations Group Olympics on RAF Mildenhall, England, July 3, 2013. Teams competed in eight different events ranging from a professional military exam to a mountain bike race. The squadron with the most points across all events was awarded the “SOG Hog” trophy.
U.S. Air Force photo by Airman 1st Class Preston Webb/Released)
To learn more about how U.S. troops are trained to protect themselves from chemical, biological or nuclear threats, watch the video below: