Fairchild Airmen perform first test of new chemical defense mask on KC-135
Senior Airman Stetson Vigil, 93rd Air Refueling Squadron boom operator, dons a new Joint Service Aircrew Mask at Fairchild Air Force Base, Washington, July 17, 2018, during the first KC-135 Stratotanker in-field use and test. The JSAM is a new chemical and biological defense mask/hood combination designed to replace former six-decades-old aircrew masks in the Department of Defense inventory. (U.S. Air Force photo/ Airman 1st Class Whitney Laine)

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Photo by: Airman 1st Class Whitney Laine |  VIRIN: 180717-F-PG301-070.JPG