In 1958 they were widening the road and needed to move things. They got a crane to move the Grand Slam bomb but couldn't budge what should have been an empty casing. They summoned the base Armaments Officer and he gingerly pried open a panel on the bomb and discovered...you guess it: all 9000 lbs of Torpex explosive.
They very gingerly moved the bomb to a "safe space" and blew it up and it did go BOOM!
A Grand Slam 22,000 lb bomb:
Gate guards at RAF Scampton:
Holy smokes, look at the post after yours!
That’ll be hard to top, from a single item of UXO standpoint.
Cool !
Found an article on that.
Wait- La Rochelle still had their U-Boat pens, right? :-)