Yes sir.....ever since the Shah was replaced its either been them or the Chinese as their biggest suppliers or advisers! Just wonder how good they got at copying F14 parts before they decided to build toy models of U.S. drones.... oops that's another thread! Seriously though guess it's not much different than when have backed Israel.
Liked this article from the NYT's because it shows the events leading up to today. http://www.nytimes.com/2012/01/29/magazine/will-israel-attack-iran.html?pagewanted=1&_r=1
Here is a good program on the CIA interference in Iran under the Eisenhower admin., and the replacement of the elected government by the Shah with the help of Kermit Roosevelt, Dulles, and Ike. Goto: Hulu - Secrets of War: Cold War: Eisenhower's Operatives - Watch the full episode now.