Tri-Command Community

Reporting In

Reporting In

Tri Command Information to Assist You



All personnel transferring to Parris Island for duty will report to the administration section of the battalion indicated on their permanent change of station (PCS) orders. All check-ins are required to report in the Service Alpha uniform. After working hours, check-ins will report to the battalion’s duty officer.


The DEERS/ID Card section provides uniformed service members and their dependents, retirees and DOD civilian employees with a distinct ID card designating them eligible to receive benefits and privileges. The DEERS/ID Card section is in Building 923; hours of operation are 7:30 a.m. to 4:30 p.m. Monday through Friday.


Service members with orders to MCAS Beaufort should report in at Headquarters and Headquarters Squadron, Building 600, during regular duty hours. After hours, they should report to MCAS Headquarters Building 601. Those reporting to Marine Aircraft Group 31, or its sub-units, should report at MAG-31 Headquarters Building 585 at all times.


Naval Hospital personnel should report to the Hospital Quarter Deck at the Information Desk on the first floor (phone 843-228-5600).


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