Korea Herald:

Citing photos taken Saturday by Planet Labs, Voice of America reported Tuesday that the North has built two concrete slabs between the airfield’s runways and taxiways designed to support a transporter erector launcher, or TEL, used for launching missiles.

The report said the structures are both 50 meters wide, with the bigger one measuring 220 meters long and the other one 100 meters long. The North appears to have built the structure between last Tuesday and Wednesday.

In previous missile tests, the North placed the TEL on top of a concrete foundation, in order to prevent the destruction of the launchers as well as increase the accuracy of the trajectory…

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