The British Ministry of Defense is considering the placement of an anti-aircraft missile battery on the roof of Fred Wigg Tower (on the right) in Waltham Forest as a defense against attacks during the 2012 Olympic Games.
http://www.emporis.com/building/fredwiggtower-london-unitedkingdom
http://virtualglobetrotting.com/map/possible-site-for-missile-battery/