 The U.S. Marines and sailors from First Marine Logistics Group are participating in Exercise Steel Knight Don Blitz Steel Knight 21 as an essential element of the execution of First Marine Division's operations within the Marine Air Ground Task Force and to increase First Marine Expeditionary Force logistical readiness. Marines from Combat Logistics Battalion 1 land on Red Beach, Campanelton, California to offload vehicles, equipment, gear, and personnel. The first MLG communicated between CLB 1 personnel on ship and First Marine Division personnel to ensure the complete success of all aspects of the beach landing. Near the end of Exercise Steel Knight, Marines and sailors conducted chemical, biological, radiological, and nuclear classes and performed their duties through various mission-oriented protective posture echelons. The culminating event was a MOP-3 gas chamber exercise.