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US firm to scale laser-based nuclear fusion ‘breakthrough’ with new partnership Military Archives - Interesting Engineering World’s first non-nuclear lead-cooled reactor to generate electricity begins installation US scientists devise new process to turn sewage sludge into 99% pure natural gas US firm unveils submarine-hunting drone with 9,200-mile-range, 35 mph top speed Military Archives - Interesting Engineering Supercomputer finds lithium-titanium tweak to boost sodium-ion batteries for grids Lockheed Martin demonstrates vertical launch missile system for mobile drone defense China’s 1116 MWe Taipingling Unit 1 reactor goes online, set to generate 9bn kWh yearly ChatGPT Images 2.0 update combines reasoning, research, and design with 2K output US Navy tests plug-and-play laser system on USS Bush carrier, downs drones at sea China’s CATL reveals 621-mile EV battery, under-7-minute charging to challenge BYD US uses world’s first exascale supercomputer to model supernovae, fusion reactors AI and Robotics Archives - Interesting Engineering First-in-human study confirms safety of graphene-based brain interface Tesla’s Optimus humanoid robot greets runners, poses for photos at Boston Marathon Interlocking materials offer high strength and flexibility for robotics, infrastructure US redeploys 100,000-ton nuclear-powered aircraft carrier in Red Sea after repairs US scientists unveil concept for ‘world’s first neutrino laser’ to unlock breakthroughs New military tech can maintain communication in contested electronic warfare environments Got a dark personality? 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New 345-mile-range turbojet-powered missile could boost US Navy’s strike capability
Sujita Sinha · 2026-04-23 · via Interesting Engineering

Boeing’s GBU-75 JDAM-LR offers both long-range strike and aerial mining capabilities.

A Navy F/A-18 carrying the new Joint Direct Attack Munition (JDAM) Long Range (LR) variant.

A Navy F/A-18 carrying the new Joint Direct Attack Munition (JDAM) Long Range (LR) variant.US Navy

The U.S. Navy revealed that it has successfully tested a new long-range guided munition designed to strike targets at sea or deploy naval mines from aircraft operating hundreds of miles away.

The announcement came during the Navy League’s Sea-Air-Space symposium, highlighting a major step toward extending the reach of carrier-based aviation.

New strike weapon expands reach

The missile, referred to as GBU-75 Joint Direct Attack Munition Long Range, or JDAM-LR, represents a significant upgrade on the existing JDAM weapon system. Originally developed by Boeing, the JDAM is an adaptation of unguided bombs that makes them precision-guided weapons, using GPS and tail-control kits with a range of up to 15 nautical miles (17 miles).

The JDAM-LR builds on this concept by adding a compact propulsion system. It uses a small turbojet engine developed by Kratos, along with deployable wings from Ferra Engineering. This combination transforms the bomb into a low-cost cruise missile alternative capable of striking targets up to 300 nautical miles (about 345 miles) away.

On Monday, Navy officials confirmed that the munition demonstrated ranges exceeding 200 nautical miles (about 230 miles) during testing. This is a notable improvement over existing air-launched weapons like the Harpoon and SLAM-ER missiles, which typically reach between 140 and 150 nautical miles (about 160 to 173 miles).

The first JDAM LR cruises above the U.S. Navy’s Point Mugu Sea Range, California, on April 1, 2026. Image credit: US Navy

Flight tests validate performance

The Navy conducted its tests at the Point Mugu Sea Range in California using an F/A-18 Super Hornet. On April 1, the munition flew approximately 200 nautical miles in 34 minutes and struck within meters of its intended target, according to Boeing.

A second test on April 3 evaluated a different flight profile. This included altitude changes and maneuvering while maintaining overall mission performance. Both tests confirmed safe separation from the aircraft, steady flying, and accurate navigation to the target.

Such an approach makes it possible to quickly introduce the new weapon into service on existing aircraft that can be used to launch JDAMs.

A Navy F/A-18 carries the new Joint Direct Attack Munition (JDAM) Long Range (LR) variant during a test event in early April off the coast of California. Image credit: US Navy

Addressing modern battlefield threats

The emergence of the JDAM-LR is linked to a shift in the priorities of American military forces toward the possibility of conflict with other powerful nations. Unlike past operations when the United States had to confront weaker opponents, modern warfare may involve highly advanced air defense systems.

“As Naval Air Forces in theater continue to rely heavily on JDAM systems, the program recognizes a critical need to provide the fleet with greater standoff range,” Capt. Sarah Abbott, Precision Strike Weapons (PMA-201) program manager, said in a NAVAIR release on the tests.

“This new capability allows pilots to engage targets from significantly safer distances, maintaining a tactical advantage in contested environments,” Abbot said.

The extended range allows aircraft to strike without entering heavily defended zones, reducing risk to pilots and platforms.

A New Era for Precision Strike: JDAM LR Completes Milestone Test Flights

The U.S. Navy has successfully demonstrated the new JDAM Long Range variant, marking a huge step in bringing affordable, long-range standoff capabilities to the Carrier Air Wing.https://t.co/GvMomaPnSp pic.twitter.com/cNgEgnZGXy

— NAVAIR (@NAVAIRNews) April 20, 2026

Expanding role in naval mining missions

In addition to strike missions, the JDAM-LR also supports aerial mining operations. Its mining variant, called QuickStrike Long Range, uses a Mark 82 bomb fitted with sensors capable of detecting ships.

Traditional mine-laying operations often require aircraft to fly low and slow, making them vulnerable to enemy defenses. JDAM-LR increases the distance that mines can be delivered from, hence ensuring their survival.

This follows previous initiatives such as the Air Force’s QuickStrike Extended Range tests in 2023, which saw mines being delivered from over 40 miles by B-52 bombers.

Sea mines are increasingly seen as a critical tool for area denial, especially in strategic chokepoints. Programs like the Orca unmanned underwater vehicle and Hammerhead anti-submarine mines further show growing interest in this domain.

The Blueprint

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A versatile writer, Sujita has worked with Mashable Middle East and News Daily 24. When she isn't writing, you can find her glued to the latest web series and movies.