Saudi Arabia has spent billions of dollars on high-tech weapons from the United States. These weapons are designed to shoot down incoming threats. But lately, they haven't been enough to stop Houthi militants from launching attacks.

The Houthis are a group backed by Iran. They have been hitting Saudi Arabia with drones and missiles for some time now. Even with the best gear the U.S. can sell, these attacks keep happening. Experts and officials are starting to ask why.

There are a few reasons why this is so hard to stop. First, the Houthi drones and missiles are often cheap and small. It is very difficult for big, expensive radar systems to spot and track them. Think of it like trying to swat a fly with a baseball bat. It is not the right tool for the job.

Second, the Houthis have become much better at using these weapons. Reports suggest that Iran is helping them improve their gear and their tactics. By using many drones at once, they can sometimes overwhelm the defenses that Saudi Arabia has in place.

Former U.S. ambassadors and defense experts say this is a growing problem. It is not just about having the best technology. It is about how that technology is used against a group that knows how to hide and strike when least expected.

This is putting a lot of pressure on Saudi Arabia’s leaders. They are paying a high price for security that isn't keeping their people and their land safe. For the U.S., it is a sign that its influence and its weapons might not be the total answer to the fighting in the Middle East.

As the attacks continue, both Saudi Arabia and the U.S. are looking for new ways to deal with the threat. For now, the Houthi fighters remain a persistent and dangerous problem.

Source: NBC News