Yeniseysk-15, Soviet military radar complex in Krasnoyarsk Krai, Russia.
Yeniseysk-15 was a Soviet military radar complex featuring two large phased-array antennas spaced roughly 850 meters (2,790 feet) apart. The system operated for early warning detection of missile launches from the Pacific Ocean and surveillance across remote Siberian territory.
Construction of the radar facility started in 1983 as part of Soviet plans to modernize early warning defense systems across Siberia. The complex was dismantled and demolished in 1989 after only a few years of operation.
The installation represented Soviet technological progress in military radar systems and served as a symbol of Cold War defense strategies in remote Siberia. It reflected how the nation deployed advanced equipment far from population centers.
The site is located in a remote Siberian region that is difficult to access and exposed to harsh weather conditions throughout the year. Visitors interested in Cold War military history may find the area challenging to reach due to limited infrastructure and transportation options.
The radar system was officially designated as OS-3 and became the subject of international diplomatic disputes. American officials claimed it violated arms control agreements negotiated during Cold War tensions.
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