Marine Detachment (MarDet) Fort Lee, VA develops, supports, manages and provides training for entry-level enlisted Marines in the following 11 MOSs: Personnel Retrieval and Processing (PRP) Specialist (0471), Airborne and Air Delivery Specialist (0451), Bulk Fuel Specialist (1391), Food Service Specialist (3381), Small Arms Repairer Technician (2111), Towed Artillery Systems Technician (2131), Light Armored Vehicle Repairer/Technician (2147), Electro-Optical Ordnance Repairer (2171), Ammunition Technician (2311), Welders (1316) and Metal Worker (2161). These are joint programs, so Marines will attend classes with students from the US Army and US Navy. Marines will graduate from these courses and continue onto their fleet units.