Fighter jets thunder above the English countryside. Missiles stand ready. And Big Brother is watching like never before.

The London Olympics are no ordinary Games. Not since World War II have Britain and the United States teamed up for such a massive security operation on British soil.

Hundreds of American intelligence, security and law enforcement officials are flying across the Atlantic for the Games, which begin on July 27. Some will be embedded with their British counterparts, sharing intelligence and troubleshooting. Dozens of Interpol officers will be deployed.