An army vehicle seen outside Tobacco Dock, in Wapping, east London, Monday, July 16, 2012. A total of 3,500 troops, many of whom will be billeted at Tobacco Dock near Wapping, east London, were brought in to boost the number of servicemen and women involved in Games security last week. (AP Photo/Dominic Lipinski/PA) UNITED KINGDOM OUT - NO SALES - NO ARCHIVES