U.S. Military Employs Agent Orange:  US Air Force begins using Agent Orange (a defoliant that came in metal orange containers) to expose roads and trails used by Vietcong forces.

Diem Palace Bombed in Coup Attempt

Mansfield Voices Doubt on Vietnam Policy:  Senate Majority Leader Mike Mansfield reports back to JFK from Saigon his opinion that Diem had wasted the two billion dollars America had spent there.