 On 8 March 1965, two battalions from the United States Marine Corps were landed at Danang, making the beginning of the ground war for the United States.On 20 April, McNamara urged Johnson to send 40,000 troops to Vietnam, advice that was accepted.By June 1965, Westmoreland was reporting that South Vietnam was faced with a "collapse", which would require 180,000 troops to stop, which would be just a "stopgap", and another 100,000 troops would be needed "to seize the initiative from the enemy".