I was on XI for two hydrogen tests, 57/58, and it was routine to fly a Canberra through the cloud to collect samples.
Those not directly involved in the operation were paraded in the open, in anti-flash suits, and sat down with their backs to the bomb. The darned things always looked too close for comfort as I recall. <img src="eek.gif" border="0">
Huh, What did he say?