Photos

Sergeant Christopher Martinez, motor transport operator, Transportation Support Detachment, Combat Logistics Battalion 15, 15th Marine Expeditionary Unit, exercises on an elliptical machine inside one of three fitness rooms aboard the USS Rushmore, Aug. 18. Marines from the MEU exercise regularly during the unit's final training evolution, Certification Exercise. CERTEX differs from previous exercises because Marines and Sailors react to unknown scenarios using the Marine Corps Rapid Response Planning Process.