US Sending More Troops to "Pressure" Iran?

The US is planning to send more troops to the middle east which will be positioned "around" Iran. This is another part of the "maximum pressure" campaign to get Iran to quit their nuclear energy program. The US claims their opposition is rooted in their fear of an Iranian nuclear weapons program, however I think the real reason has more to do with Saudi Arabia.

https://news.antiwar.com/2019/12/05/pentagon-denies-plans-to-send-14000-more-troops-to-area-around-iran/