4:77th FA

• Origins in World War II: The 4th Battalion, 77th Field Artillery (4/77th FA) traces its lineage to the 77th Field Artillery Regiment, which was constituted in the National Army in 1918 during World War I. • Vietnam War Service: The 4/77th FA was reactivated and served with distinction in the Vietnam War as an aerial rocket artillery unit, part of the 101st Airborne Division (Airmobile). • Aerial Rocket Artillery: In Vietnam, 4/77th FA operated UH-1B and later AH-1G "Cobra" helicopters, delivering powerful rocket barrages in support of ground troops. • Callsign “Guns A Go-Go”: The battalion earned the nickname “Guns A Go-Go” due to its innovative use of helicopter gunships for artillery missions. • Battle of Hamburger Hill: 4/77th FA provided critical fire support during the infamous Battle of Hamburger Hill (Operation Apache Snow) in May 1969. • Unit Decorations: The battalion received multiple awards, including the Presidential Unit Citation and the Valorous Unit Award for its actions in Vietnam. • Redesignations: The unit has undergone several reorganizations and redesignations, reflecting changes in artillery doctrine and technology. • Distinctive Unit Insignia: The 77th Field Artillery’s insignia features a gold lion, representing strength and courage, with a red and gold shield. • Post-Vietnam Service: After Vietnam, 4/77th FA was inactivated and reactivated multiple times, serving in various capacities, including as a towed artillery battalion in the 1990s. • Legacy: The 4/77th FA is remembered for pioneering aerial artillery tactics, influencing modern attack aviation and close air support doctrines used by the U.S. Army today.