 Of all the service academies in Indonesia, despite the AAU having been opened in November 1945 (and thus is the second oldest), it has roots dating back to 1921.The academy's history began in 1921 in the Kalijati District of Subang Regency, West Java.The Dutch East Indies government officially opened the first military flying school in a makeshift airfield in the district for potential pilots in the Royal Netherlands East Indies Army Air Force on 1 August 1921.