he Iran-aligned rebel movement in control of much of Yemen has expanded underground military infrastructure in a bid to boost resilience in the face of clashes with U.S. forces and the prospect of an all-out regional conflict erupting over Israel’s conflict in Gaza.

While Ansar Allah, also known as the Houthi movement, has long been known to utilize subterranean bases throughout Yemen’s decade-long civil war, the expansion of this network amid worsening Middle East tensions can be seen in recent satellite imagery. Tunnels to be used for waging war have also been featured in recent videos released by the group and one senior militia official has stated that there is much more in store than what has been uncovered thus far