On 20 March 2026, Iran launched at least two Khorramshahr-4 intercontinental ballistic missiles toward the island of Diego Garcia, British Indian Ocean Territory. Neither missile struck the target.
According to Pentagon sources cited by The Wall Street Journal, one missile failed during flight, while a SM-3 interceptor launched from a United States warship successfully intercepted the second. Israel also claimed that the strikes occurred, and added that such weapons had the capability of targeting Europe as well. Iran denied that it attacked Diego Garcia, calling it a false flag attack.
In response, the UK Foreign Secretary denounced the attack and expanded permission for the United States to bomb certain targets using British bases.
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Text from the Wikipedia article “2026 Iranian strike on Diego Garcia”, available under CC BY-SA 4.0.