 After port visits to Singapore, Thailand and Hong Kong during truce talks, "Henderson" steamed into the Gulf of Tonkin for "Operation End Sweep" in April 1973.After helping minesweepers clear Haiphong harbor, the warship sailed for home, arriving in Long Beach on 26 May.After participating in two fleet exercises that summer and fall, "Henderson" was retired from active duty and assigned to the Naval Reserve Fleet in Destroyer Squadron 27 (DesRon 27) on 1 October.