This was a former floating Customs and Excise Waterguard boarding office in London, United Kingdom. She was retired in the mid 1970's. She is now in private hands just down river from Tower Bridge.
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I don't really think this should be in law enforcement category. Pls help with reclassification.
Dmitry Rostopshin.

11/10/11 Not sure if it belongs in Special Purpose Vessel either. Have moved it to Passenger Vessels, see how it goes there. Glenn Admin Special Purpose Vessels