Just looked Up Op. Opera in Wikipedi. If true this is an example of how twisted international politics is:
Parsi, in the book Treacherous Alliance: The Secret Dealings of Israel, Iran, and the United States, writes that a senior Israeli official met with a representative of the Khomeini regime in France one month prior to the Israeli attack.[48] The source of the assertion is Ari Ben-Menashe, a former Israeli government employee. At the alleged meeting, the Iranians explained details of their 1980 attack on the site, and agreed to let Israeli planes land at an Iranian airfield in Tabriz in the case of an emergency