Policing Unit is responsible for policing all ports in Dorset including Poole Harbour, Swanage Harbour, Portland Harbour, Weymouth Harbour, Christchurch Harbour and Bournemouth Airport. Marine Policing Unit The Marine Unit is responsible for policing the 89 miles of Dorset's coastline and up to 12 miles out to sea. The area is one of the busiest coastal areas in the UK, including two of the busiest ports, numerous shipping lanes, thousands of private moorings, the RNLI's busiest callout area and a training centre for the Royal Marines. Tactical Firearms Unit The Tactical Firearms Unit responds to major and serious crimes where firearms are involved. Dog Section The Dog Section was established in 1953; the unit is based in Eastern Division HQ in Ferndown. The unit comprises one inspector, one sergeant, 13 constables and 22 dogs, including general purpose German Shepherds and more specialist breeds. Air Operations Unit Since 2014, air support has been provided by National Police Air Service (NPAS). Its nearest helicopter is based at Bournemouth Airport and also support Devon and Cornwall, Avon and Somerset, Gloucestershire, Wiltshire, South Wales, Dyfed-Powys and Gwent.. Locations The force headquarters is at Winfrith. Police stations open to the public are located at Blandford, Bournemouth Central, Bridport, Gillingham, Poole, Sherborne, Swanage and Weymouth. Stations without a public front desk are Boscombe, Dorchester, Ferndown, Shaftesbury, Sturminster Newton, Verwood, Wareham, Wimborne and Winton. There are two custody suites at Bournemouth Central and Weymouth Police station. In September 2017, the Christchurch Neighbourhood Policing Team moved to the fire station on Fairmile, further advancing the relationship with Dorset and Wiltshire Fire and Rescue Service. Uniforms and equipment Equipment Dorset Police use Motorola MTH800 TETRA digital radios, rigid handcuffs, limb restraints, telescopic batons and incapacitant spray. Some officers use the Conducted Energy Device (CED) TASER, a non-lethal electroshock weapon used to incapacitate targets via shocks of 50,000 volts. As of 2021, there were 374 officers trained in using TASER. Vehicles Previously, Dorset Police Transport Services manage the force's 450 vehicles, across its divisional units, road policing unit, and armed response. However, in 2016, Dorset's Fleet Services aligned with Devon & Cornwall's as part of a proposed force merger. As a result, there are now seven workshops available across the three counties, and Dorset manages and maintains approximately 500 vehicles as part of 'Alliance Fleet Services'. As of 2020, Dorset Police had 429 vehicles which included 338 cars, 83 vans