U.S. Air Force Tech. Sgt. Juan Castaneda-Lopez, 571st Mobility Support Advisory Squadron security forces advisor, briefs exercise participants during Exercise Sourdough at the San Francisco Sheriff’s Office, Dec. 9, 2025. The exercise is the Department of War’s largest urban evasion exercise, spanning more than 49 square miles and incorporating realistic urban scenarios to train joint response forces. (U.S. Air Force photo by Airman 1st Class Ashley Rowell)
CAMERA
NIKON Z6_3
LENS
NIKKOR Z 24-70mm f/2.8 S
APERTURE
5
SHUTTERSPEED
1/100
ISO
2500
No camera details available.
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