In a move that signals just how serious things are getting in the Middle East, Uncle Sam is sending several thousand more troops and fighter aircraft to the region.

—a response that comes after Israel ramped up its military strikes against Hezbollah and following the assassination of the group’s leader, Hassan Nasrallah, last week.

If you’ve been following the news, you know tensions in the region have been steadily building, and now it seems we’re at a dangerous boiling point.

But what exactly does this deployment mean, and why should we care? Let’s break it down.

Why the US Is Sending More Troops

At its core, this troop deployment is about deterring aggression and keeping the situation from spiraling out of control.

Defense Secretary Lloyd Austin III made it clear that the US wants to prevent Iran and its proxies, including Hezbollah, from taking advantage of the turmoil.

“Secretary Austin stressed that the United States is determined to prevent Iran and Iranian-backed partners and proxies from exploiting the situation or expanding the conflict,” the statement reads. “Austin made clear that should Iran, its partners, or its proxies use this moment to target American personnel or interests in the region, the United States will take every necessary measure to defend our people.”
Department of Defense

In short, If Iran or its allies target US personnel or interests, the US is ready to respond—and swiftly.