Any member of the former 20th century US Army was part of the land forces. The US Army (in the 20th century) had jurisdiction over all land wars. You most likely mean "conventional forces or conventional troops", aka "regulars." US Regulars...conventional troops (meaning not SEALs, not Special Forces (Green Beret), not military advisors (also a duty of the Special Forces and SEALs) were deployed to RVN in 1965 under the orders of LBJ.
the president
the general who commanded American forces in South Vietnam.
Army General William Westmoreland, who was the supreme commmander of all U.S. forces in Vietnam, asked Johnson in 1965 for more troops. This widened the war and the first major battle in Vietnam was the Battle of Ia Drang in the Pleiku Province of South Vietnam.
President Eisenhower sent US advisers to Vietnam in 1955. President Kennedy sent US Special Forces (Green Beret) to Vietnam in 1961. President Johnson sent US regular forces to Vietnam in 1965.
South Vietnam was overrun by communist forces.
President Richard Nixon called back many Vietnam veterans under his policy of Vietnamization, which aimed to gradually withdraw American troops from Vietnam and increase the responsibilities of the South Vietnamese forces. This policy included the return of American soldiers to the United States.
No.
Peasants
Obtain the book titled, "VIETNAM ORDER OF BATTLE", By Shelby L. Stanton
President Nixon called it "Vietnamization," which eventually led to his "Peace with Honor."
German forces were attacking American forces......
The Battle of Saratoga,