Members assigned to the 4th Civil Engineer Squadron Explosive Ordnance Disposal team build a coffer dam around thermite grenades at Seymour Johnson Air Force Base, North Carolina, May 14, 2020. A coffer dam is made to keep the slag from the grenades in a concentrated area over the metal, improving the effectiveness of the thermite grenade. (U.S. Air Force photo by Senior Airman Jacob Derry)
CAMERA
NIKON D850
LENS
14.0-24.0 mm f/2.8
APERTURE
22
SHUTTERSPEED
1/13
ISO
31
No camera details available.
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