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- History of the RSAF
- 1981/02 - Enhanced three dimensional radar
First generation (1968 to 1984)
1981/02 - Enhanced three dimensional radar
ITT RS-320 Three-dimensional Radar System
1981
The RSAF acquired the ITT RS-320 radar, a mobile system with a 160 nautical mile range, later replaced by the FPS-117 after 17 years.
The ITT RS-320 Three-dimensional Radar System was the second mobile radar asset to be acquired by the RSAF as one of its main air defence radars. Operated by 201 Squadron, it has a maximum detection range of 160 nautical miles.

The ITTS RS 320 Radar was subsequently replaced by the FPS-117 after about 17 years of service.