They have the ability to project force from the exit to the Persian Gulf."It's not entirely clear exactly where the attacks on ships have originated, but I would suspect, yes, [some] have [originated from Greater Tunb]."Greater Tunb is only one part of Iran's island network for monitoring and controlling shipping through the Strait of Hormuz.A military outpost is also present on several other islands, ranging from Abu Musa, west of the strait, to Hormuz Island to the north.In 2025, Alireza Tangsiri, the previous commander of the naval force of Iran's Revolutionary Guards, who was killed in Israeli attacks in March, told local media that "each of these islands" has "immense strategic importance to Iran, and safeguarding the Strait of Hormuz"."A lot of those islands, Iran has key military capabilities based on But also command and control systems to coordinate amongst the dispersed IRGC forces across the islands," Parker said."Those islands allow control of the strait and make it easier for the Iranian Revolutionary Guard Corps to attack ships."Aside from Greater Tunb, other islands, such as Qeshm, Hengam, and Kish, were also targeted by US strikes.But experts say the attacks are unlikely to restore shipping through the strait to pre-war levels."Being able to reduce Iran's ability to target shipping by taking out a range of the military capabilities on these islands will help to make ships feel safer," Parker said."But I don't think we will see a surge in shipping transiting the strait in response to these strikes