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U.S. Has One-Third of its B-2 Bombers Fleet Gathered on a Tiny 30 km² Island

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B-2 Spirit strategic bomber / Illustrative photo credit: U.S. Department of Defense
B-2 Spirit strategic bomber / Illustrative photo credit: U.S. Department of Defense

It's believed that forces on Diego Garcia are needed to strike Iran's nuclear facilities but the real question is, why the Pentagon is not afraid to gather this many B-2s in one spot

For several days in a row, the United States has been concentrating its B-2 Spirit strategic bombers on the small island of Diego Garcia, located in the middle of the Indian Ocean. While a relocation of even a few from its full-time Whiteman Air Base in Missouri would ordinarily be a massive concern for any potential adversary, various sources report some five to nine aircraft currently stationed there.

Considering the entire American B-2 fleet consists of an estimated 18 to 20 bombers, that makes about one-third of them in one place. But what's more impressive is that they are hosted by an island with a total area of only 30 km², in a strategic location that is crucial for a potential airstrike campaign against Iran.

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Diego Garcia / Defense Express / U.S. Has One-Third of its B-2 Bombers Fleet Gathered on a Tiny 30 km Island
Diego Garcia / Satellite images credit: Google Earth

Among other aircraft types, the B-2 Spirit might be needed here for its ability to carry GBU-57 Massive Ordnance Penetrator bombs, effective against heavily fortified objects deployed underground at considerable depths. Because that's where Iran keeps its nuclear weapons production facilities.

On March 26, a detailed satellite image of the air base on Diego Garcia appeared, showing three B-2s and up to four more potentially hidden in light shelters.

Updated data, including the imagery from March 28, suggests there are now five B-2 stealth bombers on the open-air site alone and up to four more in shelters. The resolution of this one is worse, yet it's not much of a problem when searching for a characteristic triangular-shaped aircraft with a 52-meter wingspan, through the cloudy weather. Contrast filter helps to notice at least five such triangular objects in the same area.

The contrast filter is applied to this March 28 photo of Diego Garcia / Defense Express / U.S. Has One-Third of its B-2 Bombers Fleet Gathered on a Tiny 30 km Island
The contrast filter is applied to this March 28 photo of Diego Garcia / Satellite image credit: European Union Space Programme

The choice of this air base for B-2s is pragmatic, too, because it is outside the range of known Iranian ballistic missiles. So far, the farthest-reaching missile in Iran's possession is believed to be the Ghadr-1 with a range of about 2,000 km. Diego Garcia, meanwhile, sits almost twice as far away in the Chagos archipelago, an overseas British territory approximately 3,800 km from Iran.

The distance to Diego Garcia compared to Ghadr-1 tactical missile attack range / Defense Express / U.S. Has One-Third of its B-2 Bombers Fleet Gathered on a Tiny 30 km Island
The distance to Diego Garcia compared to Ghadr-1 tactical missile attack range / Map credit: MISSILEMAP by Alex Wellerstein

Side note, in 1966, the United States reached an agreement with the UK to transform Diego Garcia into a military base. The entire population of the island was forcibly evicted, the necessary infrastructure was deployed, and the base started operation in 1973, since then becoming an important U.S. outpost in the Indian Ocean.

Besides the air base, it houses a U.S. Navy support base and U.S. Space Force units, including the Ground-Based Electro-Optical Deep Space Surveillance (GEODSS) station equipped with spacecraft communications and powerful telescopes to track satellites and all other man-made objects in orbit.

GEODSS system on Diego Garcia / Defense Express / U.S. Has One-Third of its B-2 Bombers Fleet Gathered on a Tiny 30 km Island
GEODSS system on Diego Garcia / Photo credit: U.S. Space Forces
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