Here, the 15-strong team share photos they have taken while out on training missions and tasks, with our own visit to their base in Jarrow offering a look round their headquarters on the bank of the River Tyne.
9. Northumbria Police's marine unit Sergeant Suzanne Crossley with the decompression chamber
Northumbria Police's marine unit Sergeant Suzanne Crossley with the decompression chamber used to help divers get used to going down to depths of 50 metres. Photo: Stu Norton
10. Specialist kit ready for the job
Inside Northumbria Police's marine unit base in Jarrow maintenance room, there is a host of different pieces of equipment needed for the officers and support staff to carry out their work. Photo: Stu Norton
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The crew out on a dive, using The Northumbrian as a base. Photo: Northumbria Police
12. Riverside headquarters
Northumbria Police's marine unit base is in Jarrow, giving officers quick access to the River Tyne. Photo: Stu Norton