It is the latest in a series of highly manoeuvrable, versatile, amphibious vehicles manufactured by BAE Systems Haggslunds of Sweden.

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The Shannon class is the RNLI's most advanced lifeboat and runs on water jets instead of propellers, making it more manoeuvrable in the water.

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While the existing prototype slides its arms under its burden like a forklift, future versions will be fitted with manoeuvrable hands to gently scoop up casualties.

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