Marine Sgt. Ariel Lahtinen, right, smiles after receiving her certificate from Staff Sgt. Jim Cassidy and Staff Sgt. Justin Territo during the graduation ceremony for the defensive tactics instructors course at Camp Hansen, Okinawa, Japan, Sept. 21, 2018. During the course, students were required to learn 80 techniques to earn their certificate. Lahtinen, a native of Washingtonville, New York, is a platoon sergeant with 3rd Law Enforcement Battalion. Cassidy, a native of Philadelphia, and Territo, a native of East Hartford, Connecticut, are course instructors with Marine Corps Detachment,

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Marine Sgt. Ariel Lahtinen, right, smiles after receiving her certificate from Staff Sgt. Jim Cassidy and Staff Sgt. Justin Territo during the graduation ceremony for the defensive tactics instructors course at Camp Hansen, Okinawa, Japan, Sept. 21, 2018. During the course, students were required to learn 80 techniques to earn their certificate. Lahtinen, a native of Washingtonville, New York, is a platoon sergeant with 3rd Law Enforcement Battalion. Cassidy, a native of Philadelphia, and Territo, a native of East Hartford, Connecticut, are course instructors with Marine Corps Detachment, Fort Leonard Wood, Missouri. The new defensive tactics program is being implemented across the Marine Corps to standardize all defensive tactics programs across various units and bases.

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