Upon receipt of orders for mobilization, the reserve members report to a Navy Mobilization Processing Site for processing and screening to ensure they are fit for duty and have no issues that will preclude them from carrying out their primary mission.

They are trained in the use of weapons, driving tactical vehicles, first aid, small unit tactics, hand-to-hand combat and the procedures and standards required of items and personnel re-entering the United States from overseas.

Divisions are led by the top Petty Officers within each camp and are held to the highest standards.

After the departure of PAPA rotation on 11 October 2013, the customs mission was handed over to the USAF's 387th Air Expeditionary Squadron.

After the departure of USAF rotation on 1 April 2014, the customs mission was handed over to the United States Marine Corps USMC 2D Law Enforcement Battalion.