A Marine Corps Drill Instrutor with Alpha Company, 1st Battalion, Recruit Training Regiment, supervises the arm walk obstacle Marine Corps Recruit Depot Parris Island, , January 22, 2018. Recruits with Alpha and Oscar Company completed the obstacle course which is designed to test their strength, agility, and endurance. ( Marine Corps

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Keywords: alpha, america, armed, company, compay, corps, defence, drill, employee, federal, forces, government, instructors, island, marine, mcrd, military, obstacle, oorah, oscar, parris, recruit, service, states, training, united, usa, usmc