Airman 1st Class Keifer Donovan, 436th Civil Engineer Squadron pavement and equipment apprentice, uses a jackhammer to break up rocky terrain near the main gate for a French drain installation project June 3, 2019, at Dover Air Force Base, Del. With various power and gas lines buried around the dig site, the majority of digging was accomplished using a pickaxe and shovel. (U.S. Air Force photo by Airman 1st Class Jonathan Harding).
CAMERA
NIKON D810
LENS
24.0-120.0 mm f/4.0
APERTURE
4
SHUTTERSPEED
1/640
ISO
64
No camera details available.
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