1st Battalion, 10th Marines (1/10) is an artillery battalion composed of five firing batteries and a headquarters battery. The battalion is stationed at Camp Lejeune, North Carolina and falls under the command of 10th Marine Regiment, part of 2d Marine Division. Its primary weapon system is the M777A2 155mm lightweight howitzer. Mission The unit's mission is to provide direct artillery support for 2d Marine Division in time of conflict. That support may come in traditional fashion, i.e. artillery support to maneuver forces, or by providing batteries to serve as provisional rifle companies. Current units Headquarters Battery Battery A (Alpha Battery) Battery B (Bravo Battery) Battery C (Charlie Battery) Battery D (Delta Battery) Battery R (Romeo Battery) History World War II The unit was activated on November 1, 1940, at San Diego, California, as 1st Battalion, 10th Marines (1/10) and was assigned to the 2d Marine Brigade, Fleet Marine Force. The 2d Marine Brigade was renamed the 2d Marine Division on February 1, 1941. During January 1942, 1/10 was deployed to American Samoa and detached from the 2d Marine Division. In November 1942, the unit was redeployed to Guadalcanal and attached to 11th Marines, 1st Marine Division, Fleet Marine Force. In December 1942, the unit was reassigned to 9th Marines. 1st Battalion, 10th Marines participated in the following World War II campaigns: Guadalcanal Battle of Tarawa Battle of Saipan Battle of Tinian Battle of Okinawa and subsequently in the occupation of Japan from September 1945 to June 1946. During July 1946, 1/10 was relocated to MCB Camp Lejeune; then deactivated on November 18, 1947. The unit was then reactivated to Camp Lejeune as 1st Battalion, 10th Marines on December 1, 1948. 1960s–1980s 1/10 deployed to Cuba in response to the missile crisis from October to December 1962. In the late 1970s and early 1980s, the battalion was deployed to Europe for participation in North Atlantic Treaty Organization (NATO) exercises. During the 1980s, the battalion became a cold-weather-trained unit, conducting training at Fort Drum, New York and above the Arctic Circle. The battalion also transitioned to the 155mm Howitzer during this period. They regularly supported training operations at the Marine Corps Air Ground Combat Center at 29 Palms, California. Charlie Battery was deployed to Beirut, Lebanon in 1983 as a part of Battalion Landing Team 1/8. On 23 October, the battery lost eight Marines in the Beirut Barracks attack. While deployed to