Question: When did us get involved in vietnam war?
qaPairs: question: When did us get involved in vietnam war by sending supplies?
answer: September 1950
question: When did us get involved in vietnam war by creating formal US military personnel assignments in Viet Nam?
answer: May 1950
question: When did us officially get involved in vietnam war by sending group to train Army of the Republic of Vietnam?
answer: November 1, 1955