New Military Constructions for Artillery

I was going about my business mapping North Korea when I came across an odd set of trenches, and then more of them and more. After looking at their design it became somewhat obvious that these were new hardened emplacements for artillery.

This map gives you a broad view to help you understand their location with respect to well-known cities and islands.

In all I found 21 new sites as well as 1-2 more in the process of construction. Some of the placemarks represent two sites which are side-by-side, in total there are 24 of these "tunnels."

Here is a close-up map of all of the new locations:

The one in the center of the group can be found at 37°48'23.31"N 125°28'5.17"E. All of the other ones are within 1.5 miles of the center.

They all have the same layout, a curved entrance with a "pad" in front and they're all dug into the sides of hills. This is a detailed image of several of them in a cluster.

Each entrance is 21-24 feet wide and from the entrance to the access road is around 100 feet. All of the access ramps are aligned so that the entrances are either facing the north or west.

Also, the area has had a fair amount of new construction with new roads and new buildings.

Here is the central region on Nov 25, 2011:

The same area except on June 20, 2012:

A close-up of some of the buildings:

And finally, a detailed image of the northern most region:

Based on the dates for the past imagery this entire project was built in less than a year. The location of this facility is less than 14 miles from Yeonpyeong Island, SK and less than 61 miles from Incheon International Airport and mainland South Korea.

This has been a rather unpleasant discovery.


--Jacob Bogle, 4/28/2013
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