Cold War Files: All Units: Events: Massive NVA Attack on Khe Sanh Military Base

Without warning, a massive North Vietnamese barrage slams into Khe Sanh. More than 1,000 rounds hit the base, at a rate of a hundred every hour. At the same time, electronic sensors around Khe Sanh indicate NVA troop movements. American forces reply with heavy bombing.

March 23

Over 1,300 artillery rounds hit the Marine base at Khe Sanh and its outposts, more than on any previous day of attacks. To withstand the constant assaults, bunkers at Khe Sanh are rebuilt to withstand 82mm mortar rounds.