1968 in the Vietnam War Adams' iconic image of South Vietnamese General Nguyễn Ngọc Loan's execution of a Viet Cong operative was taken in 1968. The year also saw Walter Cronkite's call to honourably exit Vietnam because he thought the war was lost. This negative impression forced the US into the Paris peace talks with North Vietnam. US troop numbers peaked in 1968 with President Johnson approving an increased maximum number of US troops in Vietnam at 549,500. The year was the most expensive in the Vietnam War with the American spending US$ (US$ in 2019) on the war. The year also became the deadliest
1965 in the Vietnam War order and evaded pursuit by the ARVN. President Johnson halted the bombing of North Vietnam under Operation Rolling Thunder in an attempt to induce the North Vietnamese to negotiate a peace agreement. North Vietnam instead said the bombing halt was only "an effort to camouflage American intensification of the war." North Vietnam's leader Ho Chi Minh met with Chinese leader Mao Zedong in China. Ho said that North Vietnam would "take the main burden of the war by themselves" but requested additional Chinese economic and military support. Mao agreed and they set the ground rules for Chinese assistance: North Vietnamese