Fairchild Airmen perform first test of new chemical defense mask on KC-135
Senior Airman Stetson Vigil, 93rd Air Refueling Squadron boom operator, secures cargo during the first in-field use and test of the new Joint Service Aircrew Mask on a KC-135 Stratotanker at Fairchild Air Force Base, Washington, July 17, 2018. The gear enhances the ability to operate because of the reduced footprint of the gear while still allowing maximum protection. (U.S. Air Force photo/ Airman 1st Class Whitney Laine)

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Photo by: Airman 1st Class Whitney Laine |  VIRIN: 180717-F-PG301-150.JPG