THERE’S a rare opportunity to gain access to the Decontamination Suite that formed part of the Cold War US Airbase at Greenham Common at the Heritage Open Day next Sunday (September 15) , with kind permission of the Greenham Trust. Guided tours explaining the history of the building are taking place through the facility between 11am and 4pm. All tickets were taken within 24 hours of release, but there is a waiting list. In the past, as so many want to find out what it was like inside the suite, large queues have built up, so this year the event is ticketed in timed slots to provide a better ex…