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.
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The force's huge tank at their Jarrow HQ is used during training exercises. | Other 3rd Party Photo: Deep diving skills
6. Kit at the ready
Northumbria Police's marine unit Sergeant Suzanne Crossley by the side of the force's training pool, with equipment used by pupils as they learn lifesaving and diving skills. | JPIMedia Photo: Stu Norton
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Members of the team as they work on a dive. | Other 3rd Party Photo: JPI
8. Unit's fleet of boats support its work
Northumbria Police's marine unit member Pc Paul Spedding helps to bring the Northumbrian to a halt by the pontoon at the team's Jarrow base. | JPIMedia Photo: Stu Norton