423rd independent Radio-Technical Unit

423-й отдельный радиотехнический узел

Military Unit: 55419

Activated 7.76 in Komsomolsk-na-Amure, Khabarovsk Kray.

Consists of one 5N77 Duga-2 (NATO: Steel Yard) OTH radar (receiver and transmitter).

Construction began 1974 - official tests were completed 1980 - alert duty from 1981 - taken off duty 14.11.89.

• 5N77 transmitter (50 23 12N, 137 19 32E)
• 5N77 receiver (50 53 35N, 136 50 12E)
• Support area - transmitter (50 22 51N, 137 20 26E)
• Support area - receiver (50 52 52N, 136 49 06E)

Disbanded 12.89.

Subordinated:

• 1st Missile Attack Early Warning Division, 1976 - 1989