Life with the troops at Olympic site
20 July 2012 Last updated at 13:56 BST
With a week to go until the opening ceremony for the Olympic Games, the military presence at the main venues is becoming more visible.
This morning, after controversy over whether or not troops guarding the Olympics will have beds to sleep on, the Defence Secretary Philip Hammond visited their accommodation at Tobacco Dock in east London. The World At One's Jon Manel spoke to some of the troops now living there.