GLSDB is jointly developed by Boeing and SAAB. It is developed by integrating the empty GBU-39 with a general rocket body, with a range of up to 150 kilometers.

(taken from SAAB official website)

[Compiled Chen Chengliang/Comprehensive Report] Although the United States has repeatedly stated that it will not provide ammunition with a range of more than 80 kilometers at this stage for Ukrainian troops to launch from the "Hippocampus" High Mobility Multiple Launch Rocket System (HIMARS), but according to Reuters According to the latest report, the United States will provide the Ground-Launched Small Diameter Bomb (GLSDB) with a range of 150 kilometers for the first time, making up for the Ukrainian army’s lack of long-range weapons that can effectively strike the Russian army’s rear. Cross the military aid "red line" set by the United States.

GLSDB was jointly developed by Boeing and the Swedish defense company "SAAB". It is essentially an integration of the M26 rocket body and the GBU-39 small-caliber bomb (SDB) developed by Boeing. It can be used by the M270 or "Hippocampus" launched two multiple rocket launch systems (MLRS), without the need to develop a new launch system, with a maximum range of 150 kilometers.

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It was abolished in 2018 because the United States had already signed the Convention on Cluster Munitions (CCM).

This means that GLSDB can avoid the transfer of U.S. rocket munitions to stockpiles or destruction.

According to Zhu Yuan on the SAAB website, the GLSDB is guided by inertial and GPS, has a certain degree of anti-interference and all-weather operation capabilities, the accuracy can reach a radius of 1 meter, and the power is enough to destroy armored vehicles.

Since the GBU-39 itself has a folding control wing surface, it can greatly extend the range in a gliding manner.

The SDB bomb weighs 93 kilograms and has an intelligent fuze. It can use air bombing mode for large-area targets, and use delayed or instant fuze for solid targets.

When attacking solid ground targets such as hangars, it can penetrate 1 meter thick concrete and then detonate the charge.

Although the United States still does not plan to provide Ukraine with the MGM-140 Army Tactical Missile System (ATACMS) with a range of 300 kilometers, the latest wave of military aid added to the GLSDB will give Ukraine enough firepower to counter the more powerful Russian artillery , And hit the Russian rear positions that are currently out of reach.

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