The Ministry of Defence is to sell one of its historic Whitehall buildings as part of a money-saving drive.
The Old War Office Building, where military planning took place for conflicts including both World Wars and the Cold War, will be sold on the open market, the MoD said.
It is hoped that the building, which housed figures including Sir Winston Churchill, could fetch £100 million.
Defence Secretary Philip Hammond said: "Bringing MoD teams together into one building will save the taxpayer around £8 million a year in running costs as well as generating a capital receipt. It will also enable closer working and collaboration within the department."
The Ministry of Defence has confirmed that ground based air defence systems will be deployed at the following sites in order to protect the Olympics.
Lexington Building, Fairfield Road, Bow, Tower Hamlets - High Velocity Missile
Fred Wigg Tower, Montague Road Estate, Waltham Forest - High Velocity Missile
Blackheath Common, Blackheath (Lewisham/Greenwich) - Rapier
William Girling Reservoir, Lea Valley Reservoir Chain, Enfield - Rapier
Oxleas Meadow, Shooters Hill, Greenwich/Woolwich - Rapier
Barn Hill, Netherhouse Farm, Epping Forest - Rapier.
Defence Secretary Philip Hammond MP said:
Defence Minister, Phillip Hammond on the eight-day military training exercise taking place ahead of the Olympics: