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Received yesterday — 2 June 2026 Interesting Engineering

Next-gen Eurofighter jet boasts 1,550 mph top speed and advanced AESA radar

2 June 2026 at 14:21

Spain has made significant progress in updating its air combat fleet. The first Eurofighter from the Halcon I program has left Airbus’ facility in Getafe, near Madrid. Airbus Defense and Space said on Monday that the jet is ready for engine testing and its first flight, bringing the Spanish Air Force closer to using its most advanced Eurofighter Typhoon yet.

This rollout marks the first jet from a 20-aircraft order Spain signed in June 2022. It is also the first Tranche 4 Eurofighter for Spain. Deliveries are set to start in 2026, but the Spanish Air Force Chief of Staff, General Francisco Braco Carbó, said the first three jets should join the fleet this year. The aircraft is capable of reaching a top speed of Mach 2.0, equivalent to roughly 1,550 mph (2,495 km/h).

Since 2003, Airbus’ Getafe site, about 9 miles (15 kilometers) south of Madrid, has built, tested, and delivered every Eurofighter for Spain.

New radar and missile systems boost combat capability

The Halcon I jets bring in new technology not seen on Spain’s earlier Eurofighters. The main upgrade is the E-Scan radar, an Active Electronically Scanned Array (AESA) system that replaces the older, mechanically rotating radar.

Unlike older radars, the AESA system uses many transmit-receive modules to electronically steer the radar beam, with no moving parts. This lets the fighter track several targets at once, quickly switch between air and ground missions, and lowers the chance of being detected by enemy electronic warfare.

The radar can also conduct electronic attacks against enemy sensors, giving the aircraft roles beyond traditional fighter missions.

Spain’s new jets will carry the Meteor missile, a ramjet-powered air-to-air weapon with a range of over 62 miles (100 kilometers). This missile can engage targets much farther away than the older AMRAAM used on previous Eurofighters. The jets will also have the Brimstone III precision missile for ground attacks.

⚡ The first #Eurofighter HALCON I for the @EjercitoAire has rolled out at our Getafe facilities in Madrid! 🇪🇸✈ Everything is ready for the first engine run and the maiden flight.

The 20 HALCON aircraft will be equipped with E-Scan (Electronically Scanned) radar, with… pic.twitter.com/dOdwK0UEiA

— Airbus Defence (@AirbusDefence) June 1, 2026

Replacing aging Hornets in a strategic region

The Halcon I jets will replace Spain’s aging F-18 Hornets at Gando Air Base in the Canary Islands. The islands are about 62 miles (100 kilometers) from northwest Africa and are one of NATO’s most important spots in the eastern Atlantic.

Jets at Gando monitor the airspace around the Canary Islands, guard the approaches to the Strait of Gibraltar, and watch over important Atlantic sea routes. Their location also puts them close to possible security issues from North Africa.

With the current Hornets nearing retirement, Spain’s military chose the new Eurofighters to keep strong air defense and quick response in the region.

Spain expands its long-term Eurofighter investment

Madrid has boosted its commitment to the Eurofighter program beyond the first Halcon I order. In December 2024, Spain signed a second deal for 25 more jets under the Halcon II program.

With both orders, Spain has bought 45 Eurofighters since 2022. When all are delivered, the Spanish Air Force should have a fleet of 115 Eurofighters.

Halcon II jets will have the same advanced E-Scan radar, Meteor missile support, and better connectivity as the Halcon I aircraft. Both types will keep replacing F-18s in Spain’s Eurofighter units.

The Tranche 4 version also brings better cockpit displays, improved electronic warfare, and works with both current and future Eurofighter weapons. It is powered by two Eurojet EJ200 engines, each making about 20,230 pounds (90 kilonewtons) of thrust with afterburner.

These engines give the Typhoon a key advantage: supercruise. The jet can fly at supersonic speeds without afterburners, saving fuel and extending its range. Few modern fighters have this feature, and the old F-18s cannot match it.

US Navy’s massive 9,100-ton nuclear-powered attack submarine nears return to fleet

2 June 2026 at 14:04

More than four years after a serious collision in the South China Sea, the nuclear-powered attack submarine USS Connecticut is preparing to return to active service. The U.S. Navy expects the Seawolf-class sub to be back in action by September, following major repairs that started after its 2021 accident.

However, even as the submarine heads back to sea, the Navy has already set a retirement target of 2031, according to the May 2026 US Navy Shipbuilding Plan.

USS Connecticut (SSN-22) was launched in Groton, Connecticut, on September 1, 1997, and entered service in December 1998. It was the second of just three Seawolf-class submarines built by General Dynamics Electric Boat.

Built during a changing era

The Seawolf program started during the Cold War, with plans to build 29 submarines to counter advanced Soviet threats. After the Soviet Union collapsed in 1991, those plans changed quickly. The Navy canceled most of the vessels under the program and switched to the less expensive Virginia-class submarines, which are still being built today.

Congress allowed a small number of Seawolf submarines to be built to keep U.S. submarine shipyards running during the transition. Even though only a few were built, the Seawolf class became known for its speed, stealth, and combat power. 

Collision that nearly ended in disaster

The submarine’s most serious incident occurred in October 2021 during a classified mission in the South China Sea. USS Connecticut struck an underwater seamount, forcing an emergency ascent and injuring 11 sailors.

A Navy investigation later found that the crew ran into several technical problems while trying to surface. The equipment that makes high-pressure air failed, and a backup trim pump overheated and briefly caught fire before it was put out.

The submarine eventually reached Guam and later headed to the U.S. West Coast. Investigators found additional damage, including a missing bow dome and rocks stuck in the ballast tanks.

The report concluded that the accident was preventable and resulted from failures in navigation planning and risk management. The submarine’s commanding officer was relieved of duty.

Years of repairs in dry dock

Since December 2021, USS Connecticut has remained at Puget Sound Naval Shipyard in Washington. The repair effort required a newly manufactured bow dome, a process that took more than three years.

The submarine’s long time out of service shows how hard it is to maintain these specialized vessels. Even though its nuclear engine was not damaged, fixing the submarine required a lot of structural repairs.

The Seawolf-class submarine is one of the Navy’s most advanced, weighing over 9,100 tons underwater and carrying a strong mix of torpedoes and other weapons.

Future submarines may borrow from Seawolf

The Navy plans to retire USS Connecticut in 2031, but some officials think that date might change since the submarine was out of service for years during repairs. Meanwhile, the Navy is working on its next-generation attack submarine, called SSN(X). The new design will be made to work with unmanned systems and advanced weapons.

Experts believe the qualities that made Seawolf famous remain highly relevant even today. As China grows its navy and autonomous technology becomes more important, many of the features first used in the Seawolf class could shape the next generation of American submarines.

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