According to a March 23 report by CNBC, Iran launched missiles at the U.S.-UK joint military base on Diego Garcia in the Indian Ocean, demonstrating long-range strike capabilities beyond what was previously understood.
Semi-official Iranian media reported that two medium-range ballistic missiles were fired at the base in the Chagos Archipelago, over 2,000 miles from Tehran. Neither missile hit its target; according to The Wall Street Journal, citing officials, one was intercepted by a U.S. warship, while the other failed mid-flight.
A UK Ministry of Defence spokesperson condemned the attack, saying Iran’s “reckless actions” posed a threat to the UK and its allies.
Range exceeds previous claims, Tehran’s statements contradictory
The unprecedented range has prompted a reassessment of Iran’s actual missile capabilities. Previously, Iranian Foreign Minister Abbas Araghchi had stated in an interview that Iran “intentionally limits missile ranges to under 1,250 miles” to avoid threatening other countries.
Geographically, the distance to Diego Garcia approaches Central Europe. Analysts note this suggests Iran may have possessed longer-range capabilities all along but “kept them undisclosed.”
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Tom Karako, head of the Missile Defense Project at the U.S. Center for Strategic and International Studies, said Iran has been testing large solid-fuel missiles for years, so the launch “is not surprising,” but it marks the first operational demonstration of its capability.
According to Fox News, Israeli Chief of Staff Eyal Zamir said the missiles, with a range of about 4,000 km, could reach major European cities including Berlin, Paris, and Rome.
Israeli military spokesperson Nadav Shoshani criticized Iran’s prior denials of long-range missile capability as “once again exposed.”
Jason Brodsky, policy director at the Washington think tank United Against Nuclear Iran, said the test may serve not only as a military action but also as a signal from the Iranian Revolutionary Guard to consolidate authority after Supreme Leader Ali Khamenei’s eventual death.
Ilan Berman, vice chairman of the U.S. Foreign Policy Council, warned that Iran’s ballistic missile, space, and nuclear programs are increasingly converging. If development continues unchecked, Iran could eventually acquire intercontinental strike capabilities, directly threatening Europe.
Diego Garcia becomes strategic focus, UK-US coordination escalates
The attack came shortly after UK Prime Minister Keir Starmer’s government approved U.S. military use of bases including Diego Garcia to conduct “defensive operations” near the Strait of Hormuz to ensure shipping security.
Diego Garcia, about 2,360 miles from Iran, is a key deployment hub for U.S. long-range bombers and nuclear submarines, forming a crucial node in America’s global strategic network.
The decision sparked controversy domestically and internationally. Araghchi criticized Starmer for “putting the UK in danger” and warned Iran would exercise its right to self-defense.
At the same time, the UK is moving forward with an agreement to transfer sovereignty of the Chagos Archipelago to Mauritius while retaining a 99-year lease on the base. The arrangement previously caused friction with the U.S., and Donald Trump publicly urged the UK “not to give up Diego Garcia.”
Analysts generally agree that although the long-range strike on Diego Garcia caused no actual damage, it carries symbolic weight—signaling that Iran’s military deterrent is extending beyond the Middle East.
With the Strait of Hormuz crisis deepening, increased Western military involvement, and the continual upgrade of missile capabilities, the conflict is evolving from a regional war into broader geopolitical confrontation, with potential risks now reaching Europe and the global security landscape.
