What if somehow, Iran convinced Oman to "sell" the Musandam peninsula, giving the Ayatollah and his regime full control of the Strait of Hormuz from top to bottom? What if Iran held the world hostage by controlling the choke point that has over 20% of the world's oil because if it, and began a full speed "confiscation" of all shipping in and out of the Persian Gulf? This includes NATO and US shipping. Finally they began to attack warships and seizing western civilians? Would we go to war? And when? During this current US administration or the prior/next one?
By doing so and if the Iranians did this in quick fashion, that would block the entire US Fifth Fleet at Bahrain and any other NATO shipping into the killzone that is the Persian Gulf. With Russian support material support and political backing, Iran would hold the world by the balls...or at least one. Saudi Arabia would be a bit upset, but would they do anything about it? Qatar, Bahrain, the UAE and now Oman (feeling betrayed) is furious. Iraq is messed up to do anything about it, as is Afghanistan and Pakistan.
That's my next campaign project.
Good? Bad? Meh? Way too much work? YOU DECIDE!!!

"No Sir, I don't think that's a good idea at all." -last words from unnamed NCO before falling into an enemy ambush.