Satellite images show that the Houthis have dug about 20 km of trenches in the mountains around Abu al-Mandab between the 8th and 16th of September.

Satellite images show that the Houthis have dug about 20 km of trenches in the mountains around Abu al-Mandab between the 8th and 16th of September.

Time-lapse comparisons clearly show new earthworks appearing on the mountains.

The trenches serve a dual purpose: protection against any counterattack backed by Saudi Arabia to retake the coast, and providing observation posts overlooking the shipping lane.