U.S. Coast Guard Petty Officer 1st Class David Lee explains patrol
techniques to Port Security Units 311 and 312 members during a
training exercise at Marine Corps Base Camp Pendleton, California,
July 17, 2026. Patrol techniques are fundamental maneuvers used to
safely clear areas with potential threats. (U.S. Coast Guard photo by
Petty Officer 3rd Class Chris Sappey)