89nd anti aircraft missile battalion

The 89 was air defense battalion that utilize All Terrain Anti-Aircraft missile platform walkers. It served as the 688 air defense regiment anti-fighter arm, which fell under 21st static division. Their was five PX-4 Mobile Command Base spread around with four company commanders and the one battalion commander.

Vehicles

 * 5 PX-4 Mobile Command Base
 * 36 All Terrain Anti-Aircraft missile platform walker.