The 3rd Reconnaissance Battalion is a unit of the United States Marine Corps, primarily focused on reconnaissance and surveillance missions. It is part of the 1st Marine Division and is known for its ability to gather intelligence in various environments, supporting larger military operations. Established in 1943, the battalion has participated in numerous conflicts, including World War II, the Vietnam War, and more recent operations in the Middle East. The unit is trained in various skills, including amphibious operations and land navigation, making it a vital asset for the Marine Corps in both peacetime and combat situations.