Cpl. Timothy Dorsey, left, and Lance Cpl. Ariel Tolentino,

Cpl. Timothy Dorsey, left, and Lance Cpl. Ariel Tolentino, sensor surveillance operators with the 22nd Marine Expeditionary Unit, set audio sensory equipment during an operational check aboard Marine Corps Base Camp Lejeune, N.C., March 10. This equipment will survey areas of interest during the MEU’s upcoming deployment. The Marine and sailors of the 22nd MEU are currently participating in their pre-deployment training program, which is a series of progressively complex exercises designed to train and test the MEU’s ability to operate as a cohesive and effective Marine Air Ground Task Force.