OPERATION NIAGARA 1 TO MAP NVA POSITIONS AROUND KHE SANH BEGINS

THE TURNING POINT OF THE WAR OCCURS AS 84,000 VIET CONG GUERRILLAS AIDED BY NVA TROOPS LAUNCH THE TET OFFENSIVE ATTACKING 100 CITIES AND TOWNS THROUGHOUT SOUTH VIETNAM.

PRESIDENT JOHNSON LABELS THE TET OFFENSIVE "A COMPLETE FAILURE"

21 U.S. MARINES ARE KILLED BY NVA AT KHE SANH

48 U.S. ARMY SOLDIERS ARE KILLED DURING AN AMBUSH AT TAN SON NHUT AIRPORT IN SAIGON.