Satellite images reveal that the new infrastructure on North Korea's artificial islands might be a chunk of the country's expanding armed forces and the infrastructure could be utilized to launch nuclear missiles. There are at least five military facilities in the process of being built, which is about 70 miles northwest of Pyongyang.

Nampo Naval shipyard's images on North Korea's west coast show supreme leader Kim Jong-un has imported a new barge so North Korean navy can execute an underwater test missile launch. The new 68ft barge of North Korea resembles to the one at the Sinpo South shipyard, which has been used up to six test launches since 2014, Daily Mail reported.

While no one can confirm definitively what the new infrastructure will be used for, all signs point to North Korea's expanding military capacity. A number of missile tests have taken place on Sohae before, and the new structures on the island seem like more are being planned for the future. Multiple new roads on the island contain wide turns, which are large enough to be utilized for the missile-carrying trucks, the Transporter Erector Launchers.

Some analysts claimed that the patches of light on the ground could be the outcome of heat resistant cement which is designed to hold out against the extreme temperatures of missile launches. Also, the North Korean leader has a spot in the new infrastructure to watch the operations take place.

The discovery of North Korea's second missile test barge may have several implications for the future of the country's submarine-launched ballistic missile (SLBM) program that appears to be a major priority for the North Korean supreme leader. Nonetheless, it appears that North Korea acquired the second barge three years after the first, this could mean that the country is planning to escalate its SLBM program to include a west coast component or develop a new design, Express reported.

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