London Sees Its First Captive U-Boat - U776 passing through Tower Bridge on her way to berth at Westminster Pier. Huge crowds lining the riverside matched the surrendered German submarine U776 sailing up the river Thames to a berth at Westminster Pier, where she will shortly be open for public inspection. British officers and men under the command of Lieut. Com.P.B. Marriott brought the submarine up river, piloted by Mr. E.J. Ferguson. Huge crowds lining the riverside watched the surrendered Ger