Ia Drang Valley, Battle of

Ia Drang Valley, Battle of (South Vietnam) On 14–18 November 1965, North Vietnamese Regulars attacked and pinned down two badly outnumbered battalions of the First Air Cavalry Division, but retreated after encountering heavy US resistance and being hit by B-52 aerial bombardment. US losses: 300 killed. Enemy losses: 1,770 killed. After Ia Drang, the Communists avoided committing large units to fight US troops and emphasized hit-and-run guerrilla tactics.