Iran hostilities is towards Israel. Israel is not a Nato member Israel is a theocratic and nationalist state Iran is not capable to threat USA and EU USA wants to use NATO to protect Israel which is not why NATO exist. I take Turkey over Israel anytime for western security. Israel is a liability to Western world. As the main provocative Israel is the reason why Islam is becoming more hostile to the West.
EU's Mogherini in Tehran to talk nuclear deal, regional issues (Reuters)
from the article: Report: Turkish intelligence severed relations with the Mossad