Yet the grand design never really took off due to America’s troubled relations with the Islamic Republic. Ever since the 1979 Islamic revolution that overthrew the Shah of Iran, a close ally of the US and Western powers, relations between Washington and Tehran had never looked up. Except during a brief period when the landmark nuclear agreement was signed in 2015 between Iran and the P5 nations: US, Russia, China, UK, France and Germany. During the brief interlude, the Chabahar project was resurrected. That was however short-lived with Donald Trump walking out of the deal in 2018, during his first term in office.