Iran Fires Missiles at Diego Garcia Base

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  • March 21, 2026 at 5:35 PM ET
  • Est. Read: 2 Mins
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Key Takeaways

Iran targeted a joint U.K.-U.S. military base at Diego Garcia in the Indian Ocean but failed to hit it. Two missiles were launched: one failed mid-flight, while another was intercepted by a U.S. warship. The attack came after the U.K. allowed U.S. forces to use its bases for defensive operations against Iran.

Iran launched two intermediate-range ballistic missiles at the joint U.K.-U.S. military base on Diego Garcia in the Indian Ocean, but both failed to hit their target. According to CNBC, one missile malfunctioned mid-flight while a U.S. warship intercepted the other with an SM-3 interceptor. The attack occurred shortly after the U.K. approved the use of its bases at Diego Garcia and RAF Fairford for "specific and limited defensive operations" by U.S. forces.

The strike marked Iran's first operational use of intermediate-range ballistic missiles beyond the Middle East, targeting a base approximately 2,500 miles away from Tehran. The U.K.'s Ministry of Defence described Iran's actions as "reckless attacks... threatening British interests and allies," while emphasizing that RAF jets and other military assets continue to defend personnel in the region.

The conflict has escalated significantly since it began on February 28, with both sides exchanging heavy strikes. According to AP News, Iranian missiles struck near Israel's main nuclear research center at Dimona, causing widespread damage but no immediate reports of casualties. Meanwhile, Israeli Defense Minister Israel Katz warned that attacks against Iran would "increase significantly" in the coming week.

The U.S. has also intensified its military presence in the Middle East, deploying additional amphibious assault ships and Marines to the region. Admiral Brad Cooper, head of U.S. Central Command, asserted that Iran's ability to threaten freedom of navigation in the Strait of Hormuz had been "degraded" following targeted strikes on Iranian facilities.

The war has had far-reaching consequences beyond the Middle East, disrupting global oil supplies and raising fuel prices. The Trump administration temporarily lifted sanctions on some Iranian oil shipments to alleviate price pressures, though this move does not increase production capacity. Meanwhile, international efforts to ensure safe passage through the Strait of Hormuz have gained traction, with multiple countries expressing readiness to contribute to security measures in the region.

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