An M142 HIMARS truck disembarks from a C-17 Globemaster aircraft in Szczecin, Poland, in July 2024. Lockheed Martin’s new “FLEX” upgrade will significantly improve the HIMARS’ capabilities. (Shutterstock/Mike Mareen)

Lockheed Martin Just Put Out a Massive HIMARS Upgrade

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The HIMARS system’s main advantage is its mobility; the new “FLEX” system keeps this, while adding extra firepower and new autonomous options.

Lockheed Martin introduced an upgraded variant for one of the deadliest weapons in the Ukraine War.

The US defense giant recently introduced the M142 High Mobility Artillery Rocket System’s (HIMARS) FLEX variant, promising dramatic improvements to the base HIMARS in accuracy, rate of fire, and battlefield adaptability.

The M142 HIMARS Launcher’s Specifications

Year Introduced: 2005 

Number Built: Over 750 

Length: 23 feet (7 meters) 

Total weight, battle ready: 35,800 lbs (16 tons) 

Suspensions: parabolic leaf spring on XM1140 chassis  

Engine: Caterpillar 3116 ATAAC 6.6 liter, 6 cylinder diesel engine (330........

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