Massive test of Olympic security in skies about London
3 May 2012 Last updated at 18:20 BST
The London Olympics games will be the biggest peacetime security operation that the UK has ever seen.
Thousands of armed forces will be brought into the capital to protect the spectators, visitors, officials and athletes.
Today Typhoon jets flew over London as part of testing ahead of the games.
Ricky checks out the full security operation that will be in place for London 2012.