A civilian Marine who works in the Program and Resources Office at Headquarters Marine Corps learns about different small arms before doing live at Weapons Training Battalion. Employees from P&R visited Quantico June 6, to better understand how their work impacts Marines in the fleet. - A civilian Marine who works in the Program and Resources Office at Headquarters Marine Corps learns about different small arms before doing live at Weapons Training Battalion. Employees from P&R visited Quantico June 6, to better understand how their work impacts Marines in the fleet.