History of the 1st Aviation Brigade in Vietnam. The Brigade served in Vietnam from May 1966 until March 1973. At its peak strength, the 1st Aviation Brigade had over 4,000 helicopters and fixed wing aircraft and approximately 24,000 soldiers assigned.

he 11th Cavalry, also known by its nickname of "the Black Horse Regiment," has been on the go since its inception. They have credit for twenty regimental campaigns, earning the regiment's motto of "Allons," which means "let's go."