The London Assembly has been quizzing the Commissioner of the Metropolitan Police, over allegations the force engaged in an operation to smear the family of Stephen Lawrence.
A former undercover officer has claimed he was told to find dirt on the family of the murdered teenager.
Ria Chatterjee reports:
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The Thunderbird 4 model, which measures 15ft and is made from fibre-glass, took a team of TV prop builders more than six weeks to build.
The crew got into trouble while training in choppy conditions.
Robert Clark has lived at his home for 50 years. 130,000 people have signed a petition to try to keep him there.