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Going hand in hand with Astrolight's laser technology is the autonomous satellite navigation system fellow Lithuanian space-tech start-up Blackswan Space has developed.

There are also plans to install a lunar satellite navigation system, which could be a source of noise.

Xi Jinping announces the opening of Beidou 3, a global satellite navigation system providing GPS-like services to China and other customers.

But they contained fairly low-tech components, analysts who examined them said, including a unique but basic satellite navigation system that was also found in other captured munitions.

For example, the two countries continue to develop a satellite navigation system to rival the United States’ GPS, and in January, Russia and China, along with Iran, held a series of naval drills in the Indian Ocean.