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US B-2 Bombers, Bunker-Busters and Alternatives

On Saturday, the U.S. Air Force used stealth bombers B-2 Spirit to attack Iran's nuclear facilities.

Donald Trump announced on Saturday that three Iranian nuclear sites had been struck by a "very effective attack". He added that Fordow, the crown jewel of Tehran’s nuclear program, was no longer there. The B-2 is America's most sophisticated strategic weapon platform, capable of entering sophisticated defenses and delivering precise strikes against hardened targets like Iran's network of buried nuclear research facilities.

B-2 SPIRIT Specifications:

The U.S. B-2 is the most expensive aircraft in history, costing $2.1 billion per unit. The bomber was made by Northrop Grumman and featured cutting-edge stealth technologies. Production began in the late 80s, but the fall of the Soviet Union curtailed its progress. After the Pentagon's planned program for acquisition was cut short, only 21 bombers were produced.

With a range of 11,112 km (over 6,000 nautical miles), the bomber can strike anywhere in the world from U.S. continental bases. The B-2 is able to reach almost any target in the world with aerial refueling. This has been demonstrated on missions from Missouri, Afghanistan, Libya, and now Iran.

The aircraft's payload of over 40,000 pounds (18.144 kg) allows it to carry both conventional and nuclear weapons. The internal weapons bays of the bomber are designed to keep stealth while allowing for large ordnance, which may include two GBU57A/B (Massive Ordnance Penetrator), as well as a precision-guided 30,000-pound "bunker-buster" bomb.

According to reports, six bunker-buster bombs have been used at Iran's Fordow Research Site.

Advanced automation systems allow the B-2 to operate with a two-pilot crew, reducing personnel requirements and maintaining operational effectiveness.

Stealth technology on the B-2 includes radar-absorbing materials, as well as angular design elements that reduce detection by enemy air defence systems. The radar cross-section of the B-2 is said to be similar to that of a small avian, making it virtually invisible to conventional radar.

MASSIVE ORDNANCE PENETRATOR (MOP),

The MOP, which weighs 30,000 pounds, is the largest conventional bomb in U.S. military arsenal and was specifically designed to destroy hardened underground bunkers. The B-2 can only carry one or two MOPs on a mission due to its massive size. However, it has an unmatched ability to penetrate bunkers.

Its length of 20.5 feet (6.25 m) and precision targeting system, which uses GPS guidance, allow for precise strikes on specific underground installations. The weapon's ability to penetrate concrete up to 200 feet makes it an effective weapon against even the most secure underground installations.

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Joint Direct Attack Munitions, or JDAMs, provide precision conventional strike capabilities to the B-2 against fixed targets. The GPS-guided weapons are able to be used in large quantities, and the bomber is capable of engaging multiple targets simultaneously with high accuracy.

Joint Standoff Weapons (JSOWs) increase the engagement range of aircraft while maintaining stealth during approach. The B-2 can use glide bombs to attack targets outside of heavily protected airspace boundaries.

Joint Air-to-Surface Standoff Missiles offer precision long-range strike capabilities with their stealth features. The JASSM-ER extended-range variant allows for strikes against targets more than 500 miles (805 kilometers) away.

NUCLEAR PAYLOAD CAPACITIES

The B-2 Spirit is a crucial component of America's nuclear triad. It can deliver strategic nuclear weapons with stealth, precision and accuracy. The aircraft is capable of carrying up to 16 nuclear bombs B83. (Reporting and editing by Margueritachoy and SonaliPaul)

(source: Reuters)