Matt Cook, Brazilian Jiu-Jitsu instructor, demonstrates a rear-naked choke on U.S. Air Force Chief Master Sgt. Jessy Martin, 736th Aircraft Maintenance Squadron senior enlisted leader, during an open-mat combatives class on Dover Air Force Base, Delaware, Jan. 14, 2025. The open-mat class is designed for beginners in Brazilian Jiu-Jitsu, looking to learn new skills or advanced members to refine their skills. (U.S. Air Force photo by Senior Airman Trenten Walters)
CAMERA
NIKON Z 9
LENS
NIKKOR Z 24-120mm f/4 S
APERTURE
4
SHUTTERSPEED
1/200
ISO
800
No camera details available.
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