Lance Cpl. Kyle Martin, a Chemical, Biological, Radiological and Nuclear defense specialist with the Marine Air Ground Task Force Assessment and Consequence Management Team of the 31st Marine Expeditionary Unit and a native of Fall River, Mass., enters a room containing chemical weapon-making materials in a warehouse here, March 14. The CBRN operation was in response to the confirmed presence of a chemical weapon-making facility during a notional humanitarian aid and disaster relief operation. The MAGTF ACMT evacuated casualties, inspected the premises and removed all chemical materials found. The 31st MEU’s CERTEX is a semiannual exercise where Special Operations Training Group, III Marine Expeditionary Force, evaluates the unit’s full range of capabilities, with the purpose of maintaining the MEU’s proficiency and readiness. The 31st MEU is the only continuously forward-deployed MEU and is the Marine Corps’ force in readiness in the Asia-Pacific region.