Airmen from the 434th Air Refueling Wing help check each other's mask seal during chemical, biological, radiological and nuclear defense training at Grissom Air Reserve Base, Indiana, Nov. 2, 2019. The training served as a refresher on how to survive and operate in lif-threatening chemical conditions. (U.S. Air Force photo/Staff Sgt. Courtney DotsonEssett.)
CAMERA
NIKON D3S
LENS
24.0-70.0 mm f/2.8
APERTURE
35/10
SHUTTERSPEED
1/200
ISO
2000
No camera details available.
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