Along with 2nd Lieutenant Fidel V. Ramos, Abat joined the Philippine Expeditionary Forces to Korea (PEFTOK), where he served with distinction under the United Nations flag.

Tito B. Abat, was killed in an encounter with the New People's Army in Eastern Samar, a year after graduating from the Philippine Military Academy.

[1] Upon his return from China, Abat was first appointed as the Administrator of the Philippine Veterans Affairs Office (PVAO), a DND agency.

He also served as Undersecretary during the term of then-Secretary Fidel V. Ramos, but he left the department and was designated Deputy Director General to Ileto who later headed the National Security Council (NSC).

[1] During the presidency of Fidel Ramos, Abat was the Chairman of the Peace Panel of the Philippine Government during the negotiations with the Moro National Liberation Front (MNLF), which led to signing of a peace treaty on July 18, 1997, ending the three decade old armed hostilities between the Republic of the Philippines and the group.

[3] Abat finally was appointed as the President & CEO of the John Hay Poro Point Development Corp. by Pres.

"[7] Abat served as the Chairman of the Military Service Board under Arroyo's successor, President Benigno Aquino III.