Q: In this task, you're given a question, along with three passages, 1, 2, and 3. Your job is to determine which passage can be used to answer the question by searching for further information using terms from the passage. Indicate your choice as 1, 2, or 3.
Question: When did the war begin that prompted the Navy to build the airport? Passage 1:Zabica started his career with Cockburn City before joining Adelaide City for seven seasons, winning National Soccer League championships in 1992 and 1994. He played for Australia in the qualifiers for the 1994 FIFA World Cup finals, losing narrowly to Argentina. A nagging knee injury forced his international retirement, but he made a comeback in 1995 with Dalmatinac with whom he won the D'Orsogna Cup. He made his State debut at the age of 31, captaining the side that beat West Ham United in 1995, and went on to play a further five times for Western Australia. He returned to national league level in 1997, making seven appearances for Perth Glory and taking his career tally to 202 games. He had a three-match spell in England with Bradford City in late 1997 and returned to Perth to play for Bayswater City SC, Inglewood United and Fremantle City.
 Passage 2:In 1947, Allen Noonan was a pictorial sign painter in Long Beach, California, who that year claimed to have an encounter with Galactic Space Beings. While painting a signboard he said he was beamed up into a Mothership. He then changed his name to Allen Michael. He claimed to have physically encountered a flying saucer in 1954 at Giant Rock in the Mojave Desert of California. During the Summer of Love, he began the One World Family Commune with a vegan restaurant on the northeast corner of Haight and Scott streets in San Francisco, California, called the Here and Now. 7 similar restaurants followed. His communal group lived in two large houses during the early 1970s in Berkeley, California. In 1969, the commune established a vegan restaurant in a much larger space on Telegraph Avenue and Haste Street in Berkeley and the name of the restaurant was changed to the One World Family Natural Food Center. They published a vegetarian cookbook called Cosmic Cookery. There was a large mural on the side of the restaurant painted by Allen Michael that had written above it the phrase Farmers, Workers, Soldiers Unite — The People's Spiritual Reformation 1776–1976! The farmer was holding a pitchfork, the worker was holding a hammer, and the soldier was holding a gun, and they had their arms around each other's shoulders. Above the three were three flying saucers coming in for a landing. In 1973, Allen Michael founded "The Universal Industrial Church of the New World Comforter" and published the first volume of his channeled revelations, The Everlasting Gospel. In 1975, the church headquarters and the vegetarian restaurant relocated to Stockton, California. Allen Noonan ran for president of the United States in the 1980 and 1984 elections on the Utopian Synthesis Party ticket.
 Passage 3:In 1950, Admiral Arthur W. Radford, Commander-in-Chief of the United States Pacific Fleet, envisioned an naval base in the Western Pacific to enhance Seventh Fleet capabilities. The Korean War began and the Navy realized it had a need for an air station in the region. Cubi Point in the Philippines was selected, and civilian contractors were initially approached for the project. After seeing the Zambales Mountains and the surrounding jungle, they claimed it could not be done. The U.S. Navy then turned to the Seabees and was told no problem, Can do. The first Seabees to arrive were surveyors of Construction Battalion Detachment 1802. Moblie Comstruction Battalion 3 arrived on 2 October 1951 to get the project going and was joined by MCB 5 in November. Over the next five years, MCBs 2, 7, 9, 11 and CBD 1803 also contributed to the effort. They leveled a mountain to make way for a nearly runway. NAS Cubi Point turned out to be one of the largest earth-moving projects in the world, equivalent to the construction of the Panama Canal. Seabees there moved of dry fill plus another 15 million that was hydraulic fill. The $100 million facility was commissioned on 25 July 1956, and comprised an air station with an adjacent pier capable of docking the Navy's largest carriers. Adjusted-for-inflation, today's price-tag for what the Seabees built at Cubi Point would be $906,871,323.53. After decades of use by American forces, Mount Pinatubo erupted in 1991, burying Cubi Point in 18-36 inches of ash. Despite this, the American government wished to keep the Subic Naval Base and signed a treaty with the Philippine government. The treaty was not ratified, however, failing by a slim margin in the Philippine Senate. Attempts to negotiate a new treaty were soon abandoned and the United States was informed that it was to withdraw within one year. U.S. forces withdrew in November 1992, turning over the facility with its airport to the Philippine government.

A:
3