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Why is Iran targeting US-UK base in Diego Garcia concerning? Explained

Iran firing missiles toward Diego Garcia raises fears of war spreading beyond West Asia, threatening a key US-UK base. Here’s why it is concerning.

Iran targets joint US-UK base
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(Photograph: AFP)

Iran targets joint US-UK base

Iran reportedly fired two intermediate-range ballistic missiles at Diego Garcia, a joint US-UK military base in the Indian Ocean. This comes as the United Kingdom approved the United States to use its bases for launching strikes on Iranian sites targeting the Strait of Hormuz. Following a meeting on Friday (Mar 20), UK ministers agreed that the US use of British bases could now be expanded to include protecting ships in the strategic waterway in the Gulf.

War expanding beyond the Gulf?
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(Photograph: Wikimedia Commons)

War expanding beyond the Gulf?

According to a Wall Street Journal report on Friday, citing multiple US officials, Iran targeted Diego Garcia but failed to hit the base. However, the move raises significant concerns over the attempt by Iran to reach far beyond targets in West Asia and threaten US interests.

Two failed missiles
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(Photograph: AFP)

Two failed missiles

The report added that one of the missiles failed in flight. The second missile was targeted by an SM-3 interceptor fired from a US warship, according to two of the people. It was not determined whether an interception was made.

How far is Diego Garcia from Iran?
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(Photograph: AFP)

How far is Diego Garcia from Iran?

Diego Garcia in the Chagos Islands, which is about 2,500 miles (4,000 kilometres) from Iranian territory, is one of two bases Britain is allowing the United States to use for “defensive” operations in Iran. Amid the escalating tensions in West Asia, Iran has shut down the Strait of Hormuz and warned that any vessel attempting to pass could be targeted and set on fire, with several oil tankers being hit in recent days.

Why is Diego Garcia vital for the US?
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(Photograph: Wikimedia Commons)

Why is Diego Garcia vital for the US?

Diego Garcia is vital for the US due to its central location in the Indian Ocean. The American military has stationed bombers and other equipment at the base. It has been a key hub for the US for Asia operations, including campaigns in Afghanistan and Iraq.

Who owns the Chagos Islands?
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(Photograph: AFP)

Who owns the Chagos Islands?

The UK, which has been holding the Chagos Islands since the 1960s, has agreed to hand them back to Mauritius. However, it maintains a lease for the base on Diego Garcia, the largest of the islands. US President Donald Trump has criticised the decision.

Iran war enters 22nd day
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(Photograph: AFP)

Iran war enters 22nd day

The conflict in West Asia entered its 22nd day on March 21. Hostilities began on February 28 when the US and Israeli military launched strikes on Iran, killing Iran’s supreme leader Ali Khamenei and several other top Iranian officials. The operation was named ‘Epic Fury’ by the US and ‘Lion’s Roar’ by Israel. The attacks came amid heightened tensions between Washington and Tehran and ongoing talks over Iran’s nuclear program.