Sgt. Patrick Kaiser, instructor-trainer at the Martial Arts Center of Excellence, Quantico, Va., demonstrates the ammunition can lift during the Marine Corps Training and Education Command’s Fitness Roadshow at the Combat Center Aug. 28. - Sgt. Patrick Kaiser, instructor-trainer at the Martial Arts Center of Excellence, Quantico, Va., demonstrates the ammunition can lift during the Marine Corps Training and Education Command’s Fitness Roadshow at the Combat Center Aug. 28.