On 28 February 1958, a B-47E of the 310th Bomb Wing developed problems shortly after takeoff and jettisoned its two 1,700 gallon external fuel tanks.
However, a radiological survey commissioned in 1997 by Newbury District Council and Basingstoke and Deane found no evidence of a nuclear accident at Greenham Common, suggesting that Cripps and Stimson's claims were false.