Marine Corps Capt. Mark Hammond, left, the assistant air officer, and Chief Warrant Officer 2 Rian O’Shea, the chemical, biological, radiological, and nuclear defense officer, both assigned to the 15th Marine Expeditionary Unit, compete in a memory game during an officer physical training session at Marine Corps Base Camp Pendleton, California, Jan. 20, 2023. The PT included a memory challenge in which Marines must recall a set of items after completion of the training to promote critical thinking and esprit de corps.

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Keywords: 15th, camp, hiit, meu, pendleton, pt, usmc