243rd Assault Support Helicopter Company "Freight Trains" Unit Patch - "Dong Ba Thin" - The 243rd deployed to Viet Nam in October 1967. The Freight Trains were assigned to the 1st Aviation Brigade's 17th Combat Aviation Group, "Freedom Eagles", 10th Combat Aviation Battalion, "Soldiers of the Sky". They established their base of operations at Dong Ba Thin. The 243rd flew the CH-47 Chinooks moving everything from troops, artillery and cargo to assembling everything for hill top firebases in record time and the recovery of downed aircraft. The company stood-down on December 1970.