Calm down. Some Iranians members here are rightly emotional when it comes to such a topic. It's normal if you look at it from their position.
Obviously such irrational emotional rhetorics about Iran bombing NATO bases in the Mediterranean, middle East etc is just rhetoric/ cheap talks.Iranian leaders aren't foolish enough to launch an attack against other NATO countries bases, that will be a dead warrant drawing other NATO powers who might have stayed neutral or at least refrain from getting involved in the region.
The fact is, I don't see any country in the region who can fight a conventional war with the U.S and come out victorious. The power gap/margin is simply too big. At best Iran can expect to use unconventional means to harass U.S forces. I.e after the toppling of the regime , allow them to occupy the country and then launch Guerilla warfare attacks against them, IED, etc just like Iraqi militias, disbanded Saddam's baath military, and insurgents did after the U.S/U.K led invasion of Iraq. That's the best way to fight a superior force. Afghan war is another good example with the fallen Taliban regime now using Guerilla warfare harassing NATO forces with hit and run tactics, IEDs, etc.
Fighting such a superior military power through conventional means/using sophisticated weapons systems and conventional tactics will only lead to complete defeat. Especially when these countries don't have a credible air force or NAVY(which is often crucial for such preliminary strikes preceeding a full scale invasion) to take on a large power like the U.S
Plus, any such invasion will require some degree of support on the ground(from some segment of the population as well. ).
I don't believe the U.S has any intention of invading Iran or any other country for that matter. Public opinion in the West in general for any such invasion is completely stark against the U.S or any western power for that matter. So at worse the U.S will simply launch pre-emptive strikes against targets in Iran from air and sea probably to degrade the country's capabilities. There won't be any full scale invasion of the country. It's out of the question. After the Iraq and Afghanistan war debacle western public opinion is completely against any such invasions for the foreseeable future. Reason Libyan war was limited to strikes, and western powers refrained from imposing a simple no fly zone in Syria due to public opposition.
So , there won't be any U.S invasion of Iran. Both sides will indulge in some tough talks but that's it. Nothing much to gain from such a world. Iran needs and wants isolation/sanctions to be completely lifted and the U.S needs nuclear deal to be followed through to avoid a nuclear arms race in the region.