root/Greenham GAMA
Some history (Shamelessly plagiarised from wikipedia)

RAF Greenham Common is a former World War II and NATO Cold War airfield located on the border between Greenham and Crookham, 2 miles south-east of Newbury in the English county of Berkshire and 45 miles west of London. During World War II it was used by the United States Army Air Force and the Royal Air Force, and during the Cold War by the United States Air Force for Strategic Air Command bombers and later for BGM-109G Cruise missiles.

The airfield was also known for the Greenham Common Women's Peace Camp held outside its gates in the 1980s.

Greenham GAMA (GLCM (Ground Launched Cruise Missile) Alert and Maintenance Area) was a maximum security QRA (Quick Reaction Alert) area with 6 large above ground shelters which housed TEL transporter erector launchers and fully operational cruisemissiles.
These shelters were specially designed and constructed to protect the GLCMs and crews against nuclear and conventional strikes. They were appx. 10m high, with a reinforced 2m thick concrete ceiling. Below was a massive titanium plate, appx. 3m of sand and a reinforced concrete plate. The whole thing was completely covered with tons of clay. Each shelter was equipped with 3 hydraulic nuclear blast proof doors at both ends to assure a quick entry or exit. They could withstand the blast of any nuclear air explosion above the base or any full hit from a 2500lb conventional bomb.

On 24 March 1997 the land was purchased by the Greenham Common Trust for 7 million and returned to a variety of civilian uses. A business park, named New Greenham Park, is sited on one portion of the former airbase and as of 2002 housed over 150 businesses. Greenham Common Trust manages its investment in the business park to produce a sustainable income that is distributed to local charities, environmental and community projects, including the artist studios, gallery and performance space housed in New Greenham Arts.

Considerable efforts have been made to restore large areas of the Common to something approaching its former natural state. A major part of this has been the removal of the runway (except for one central section) and hardstandings which were used as fill for construction of the Newbury bypass.

The cruise missile storage silos have been fenced off and designated an Ancient Monument.

The Common is looked after by the Greenham and Crookham Conservation Volunteers. These volunteers try to protect this 278.61 hectare (688.45 acre) Site of Special Scientific Interest and try to preserve the outstanding beauty of the common.