When are you considered a veit nam era veteran?

You are considered a Vietnam Era veteran if you served in the active military, naval, or air service during the period defined by the U.S. government as November 1, 1955, to May 15, 1975. This includes service in Vietnam and in other locations during the Vietnam War. Eligibility for certain benefits may depend on the specifics of your service and the timeframe in which you served.