 Initially, the AK-47-equipped Vietcong and NVA had somewhat superior small-arms to South Korean soldiers, since they were armed with World War II-era weaponry (M1 Garand and M1 carbine), although ROK forces like others relied on overwhelming use of heavy artillery and air support against small-arms and mortar units.They soon received more modern weapons from the United States military such as the M16 rifle.Significant operations and actions involving the Brigade include