Marines and Sailors with Headquarters and Service Company, Chemical Biological Incident Response Force, CBIRF, work together to build a human house aboard Naval Support Facility Indian Head, Md., June 15, 2018. Marines and sailors with CBIRF, performed physical training to increase confidence with M53 gas mask.

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