Israel is already surrounded by Iranian missiles/allies in Lebanon, Syria and Gaza and if here was any way, you could count on warriors of west bank too.
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The idea of this thread is achievable. But the Q is, who can do that and how?
The only forces capable of doing that are Syrians and Hezbollah. But how?
We know that Hezbollah is armed with accurate BMs and mid range CMs. For sure Iran has armed them with sea mines too.
Evidence of Hezbollah's cruise missiles with a range of 1,000 KM. They can use these missiles against gas fields of Israel and its navy, also cargo ships in case of a full scale war.
missiledefenseadvocacy.org
Evidence of Hezbollah's accurate Ballistic Missiles. Hezbollah and Syria will use them to cripple Israel.
Iranian and Lebanese sources have recently confirmed that the Iranian backed Lebanese group Hezbollah has received the Iranian Fateh-110 guided ballistic missiles, and inducted the weapon into its missile arsenal. With a range of 250-350 km the new missile can hit targets provides the group with...
defense-update.com
These assets makes Hezbollah capable of attacking Israeli infrastructures, air bases, nuclear facilities and also possible missile silos. Iran will provide them with exact location of these Israeli targets using satellite and drone gathered information. Not to mention that Hezbollah's drones have already penetrated Israeli airspace years ago and they can do it any time.
The easiest way to blockade Israel is using sea mines. As
@aryobarzan mentioned, it will destroy Israel's food supply lines.