A participant receives motivation from a drill instructor at the 17th annual Boot Camp Challenge aboard Marine Corps Recruit Depot San Diego, Oct. 13. This unique race will feature obstacles used only by Marine recruits, plus over 60 USMC drill instructors “staff” the course, providing direction and encouragement for participants.

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Keywords: air, america, archive, armed, army, defence, force, forces, military, navy, reportage, service, serviceman, servicemen, soldier, states, united, usa, wemakemarines