US preparing to send hundreds of troops to Saudi Arabia amid Iran tensions

via CNN

The Trump administration is reinforcing its controversial military relationship with Saudi Arabia by preparing to send hundreds of troops to the country amid increasing tensions with Iran.

Five-hundred troops are expected to go to the Prince Sultan Air Base, located in a desert area east of the Saudi capital of Riyadh, according to US two defense officials. A small number of troops and support personnel are already on site with initial preparations being made for a Patriot missile defense battery as well as runway and airfield improvements, the officials said.
The US has wanted to base troops there for some time because security assessments have shown Iranian missiles would have a difficult time targeting the remote area.

Story here. 

I'm.

Not.

Buying.

It.

It might be the Iran threat from a big picture but if you get a bit closer to the issue I believe this is all about the Houthis hitting Riyadh and one of the GCC coalition partners pulling out.

https://www.washingtonpost.com/world/houthi-missile-strike-hits-saudi-airport-injuring-26/2019/06/12/55cb5032-8d0c-11e9-b162-8f6f41ec3c04_story.html

I could be wrong but this is my gut reaction.