Upon graduating from West Point, 2nd. Lt. Ileto entered the
Infantry School for three months in
Fort Benning,
Georgia. From there he joined the
1st Filipino Infantry Regiment in
Camp San Luis Obispo,
California, which departed on September 19, 1943, to join the
Pacific Theater of Operations - beginning with the
New Guinea Campaign. This has become to date the most successful rescue mission of the
United States Army, and is known as the
Raid at Cabanatuan. After the
Liberation of Manila, Lt. Ileto married Ms. Olga Clemena at the
Command and General Staff School in
Fort Leavenworth,
Kansas, while taking a short course for lower staff officers. He returned to the Philippines thereafter, and helped in rebuilding the post-war Philippine Military Academy. From commanding the Scout Ranger Regiment, Capt. Ileto was designated foreign affairs attaché to
Saigon and
Vientiane. After this diplomatic stint, he was assigned with once more to the GHQ J-2 Intelligence, as a staff officer. From there he was appointed as Operations Chief of the
National Intelligence Coordinating Agency from 1959 to 1964. In 1973, Ileto became Deputy Chief of Staff of the AFP was then promoted to
Major General, then Vice Chief of Staff as a
Lieutenant General from 1975 until his retirement in 1978. . ==Later life==