ATSO training
Citizen Airmen from the 445th Airlift Wing wait to remove their gear during Ability to Survive and Operate training conducted at the Wright-Patterson Air Force Base Warfighter Training Center Oct. 15, 2017. 445th Airmen kept their gas masks on for several hours during the training event to better simulate a contaminated environment. (U.S. Air Force photo/Airman 1st Class Ethan Spickler)

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Photo by: Airman 1st Class Ethan Spickler |  VIRIN: 171015-F-DU319-1086.JPG