Role of the United States in the Vietnam War the presidency unopposed. With the installation of the Thieu and Ky government (the Second Republic), the U.S. had a pliable, stable, and semi-legitimate government in Saigon with which to deal. With the advent of "Rolling Thunder", American airbases and facilities needed to be constructed and manned for the aerial effort. On March 8, 1965, 3,500 United States Marines came ashore at Da Nang as the first wave of U.S. combat troops into South Vietnam, adding to the 25,000 U.S. military advisers already in place. The US Government deployment of ground forces to Da Nang had not been consulted with the
South Korea in the Vietnam War second half. Corruption did occur in which US-issued weapons were re-directed and sold to Korean ships for re-sale to the Korean government and supplementing the arsenal of Korean forces stationed in Korea, whom were still given M1 Garand rifles instead of the newer-issue M16 rifle given out to ARVN and ROK forces in South Vietnam The withdrawal process had negatively impacted Korean-US relations, despite economic benefits gained, with Nixon and Secretary of Defense Melvin Laird considering simultaneous withdrawal from both Korea and Vietnam. Due to Vietnamization US troops begun withdrawing since 1970, which had caused disagreement with the South Korean