Stock photo: Getty Images

The US defence company Lockheed Martin has unveiled a concept for upgrading the HIMARS multiple-launch rocket system. The new FLEX variant will be capable of firing twice as many rounds.

Source: Lockheed Martin

Details: The HIMARS FLEX launcher is an upgraded version of the HIMARS system, which, according to the manufacturer, has logged more than 2.5 million hours of operation worldwide.

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