You could call the lorry parked up at Harwich lifeboat station a boat on wheels as this is no ordinary HGV.
Inside, it is equipped with everything you would expect to see on a lifeboat including computers, which are radar simulators, and graphs to pinpoint missing people.
The resource, known as a Mobile Training Unit (MTU), means volunteers for the RNLI can acquire crucial training.
Instead of having to take time to go to the Lifeboat College, in Poole, Dorset, the training has come to them.
It has been parked outside the station on Harwich quay for the past week.
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