(click on image to enlarge)
Acceptance process of the Iran nuclear deal at the United States Congress as well as relevant branches of government in the Islamic Republic of Iran has reportedly been contentious.
In this observer's view, there are many positives to be gained in accepting the Iran nuclear deal. Above is just one example of the possibilities specifically provided for in the JCPOA: purchases of American commercial jetliners by Iran.
Above is an imagined Iran Air Boeing 747-8 Intercontinental aircraft, resurrecting the EP-IAH registration that belonged to the now retired Iran Air Boeing 747-286B that served the airliner for over 36 years.
Note: above amateur artwork not intended for commercial purposes.