Master Sgt. Patrick Demesa, left, and Capt. Robert Nolan, both members of the 821st Contingency Response Squadron, walk during the 24-hour ruck march at the Duck Pond on Travis Air Force Base, Calif. Members of the 821st Contingency Response Group honored fallen security forces members by walking during this annual memorial ruck march. (U.S. Air Force photo by Tech. Sgt. David W. Carbajal)
CAMERA
NIKON D810
LENS
70.0-200.0 mm f/2.8
APERTURE
35/10
SHUTTERSPEED
1/2000
ISO
100
No camera details available.
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