3d Light Armored Reconnaissance Battalion (3D LAR BN) is a fast and mobilized armored terrestrial reconnaissance battalion of the United States Marine Corps. Their primary weapon system is the LAV-25 and they are part of the 1st Marine Division and I Marine Expeditionary Force. The unit is based out of the Marine Corps Air Ground Combat Center Twentynine Palms, California. Organization Battalion level An 3d Light Armored Reconnaissance Battalion currently consists of three line companies and one headquarters and service company organized as follows Huron Company (H&S Co) Apache Company (A Co) Blackfoot Company (B Co) Comanche Company (C Co) Company level An organic Light Armored Reconnaissance Company consists of five platoons of light armored vehicles (LAVs) organized as follows: Headquarters (HQ) - One command and control (LAV-C2), three logistic (LAV-L), one recovery (LAV-R), and two LAV-25 variants. Line platoons - First (1st) or Red, Second (2nd) or White, and Third (3rd) or Blue - Four LAV-25 variants each. Weapons (Wpns) - Two mortar (LAV-M) and four anti-tank (LAV-AT) variants. An LAV-25 crew consists of a driver, usually a junior 0313 (the MOS designation for LAV Crewman), a gunner, and a vehicle commander (VC). The gunner operates the main gun, the M242 Bushmaster chaingun, and the VC makes target acquisition changes and assists the gunner in making adjustments. The remaining crew consists of up to six scouts (0311s), but in most cases there are only three or four assigned per vehicle. There is also a corpsman and a LAV mechanic (2147) per platoon. The LAV-C2 crew consists of a driver, a VC, radio operators, and depending on the situation may include the Company Commander (CO), the company First Sergeant (1stSgt), or even a forward air controller (FAC). The LAV-R is made up of a driver, VC (normally the company Maintenance Chief), and a couple of LAV mechanics. The logistics variants consist of a driver, VC, and based on their configuration, mission dependent personnel, e.g. corpsmen, mechanics, and scouts. The weapons vehicles include drivers, VCs, and mortar men (0341) or anti-tank men (0352) respectively. The company commander or executive officer (XO) usually VC one of the LAV-25s in HQ platoon, the other being commanded by the company's Master Gunner or HQ platoon sergeant. The company First Sergeant, company Operations Chief, and normally a mechanic have command of the three LAV-Ls in HQ platoon. The three line platoons are commanded by first