delinking of the anti-aircraft Directorate from the Training Department, and its linked with the Air Force and Air Defense Command, and its disengagement was published in the Air Defense Assistant Command’s book 16 on January 7, 1990, as of January 1, 1990. The Air Defense Institute was delinked from the anti-aircraft Directorate’s battle system, and it was linked to the Air Defense Command’s assistant commander, the Air Force and Air Defense Command. On January 1, 1989, the anti-aircraft Command of the Air Force and Air Defense Command was .