Marine Corps Gunnery Sgt. Arturo Velasco, a sergeant instructor with Officer Selection Training Command, instructs candidates with Officer Selection Team San Diego during an Officer Candidates School preparation weekend at Edson Range, Camp Pendleton, California on April 29, 2022. The OCS preparation weekend is designed to prepare aspiring Marine Corps officers mentally and physically for the rigors of OCS.

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Keywords: 12, mcd, mcdews22, mcrc