US to Decide if It Should Respond to Russia's S-300 Delivery to Iran
![US to Decide if It Should Respond to Russia's S-300 Delivery to Iran](http://cdn3.img.sputniknews.com/images/104046/79/1040467944.jpg)
The United States has not made any decision on possible sanctions over Russia’s delivery of S-300 air defense systems to Iran, US Department of State spokesperson John Kirby told reporters on Wednesday.