RECON, E Co 2nd Sq 1st Bn 7th Cavalry Rgt 1st Cav Div was a reconnaissance unit of the United States Army that served during the Vietnam War. The unit was part of the 1st Cavalry Division, which was one of the first units deployed to Vietnam in 1965.

The primary mission of RECON units was to conduct reconnaissance and surveillance operations in order to gather intelligence about enemy positions and movements. This involved patrolling the countryside, often for extended periods of time, and engaging in firefights with enemy forces when necessary. This unit was part of the 1st Cavalry Division's 2nd Squadron, 1st Battalion, 7th Cavalry Regiment. The 7th Cavalry Regiment is a storied unit in the U.S. Army, having been formed in 1866 and serving in many conflicts, including the Indian Wars, the Spanish-American War, World War II, and the Korean War.

During the Vietnam War, the 1st Cavalry Division was involved in some of the heaviest fighting of the conflict, including the Battle of Ia Drang in 1965. RECON units like E Co 2nd Sq 1st Bn 7th Cavalry Rgt played a crucial role in these engagements, often operating deep behind enemy lines to gather intelligence and disrupt enemy activities.