John Kerry's military service during the Vietnam War has been a topic of intense scrutiny and debate throughout his political career.

As a former United States Senator, Secretary of State, and presidential candidate, Kerry's experiences in Vietnam have significantly shaped his public persona and influenced his approach to foreign policy.

Born in 1943, Kerry enlisted in the United States Navy in 1966, at the height of the Vietnam War.

He volunteered for swift boat duty, a dangerous assignment that involved patrolling the rivers and coastal areas of Vietnam. - https://vietnamfocusguide.com/blog/did-john-kerry-serve-in-the-vietnam-war/?unique_id_5focvsts

"John Kerry's Vietnam Service: Uncovering the Facts Behind a Storied Political Career"