Polar Force 20-1
Airmen assigned to the 673rd Air Base Wing use a chemical detection kit in a simulated hazardous environment during Exercise Polar Force 20-1 at Joint Base Elmendorf-Richardson, Alaska, Oct. 9, 2019. Designed to test the installation’s mission readiness, Polar Force 20-1 is a two-week exercise that hones Airmen’s skills and experience when facing adverse situations. (U.S. Air Force photo by Airman 1st Class Emily Farnsworth)
24.0-70.0 mm f/2.8
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