Licorne was the fourth thermonuclear test and the fifth largest conducted by France. The device was suspended from a balloon 500 meters above the Dindon testing sector. The mushroom cloud reached an altitude of 24,000 meters approximately six minutes after shot time, with the base of the cloud reaching 15,800 meters. Licorne nuclear test in 1970.
Atomic Weapons are a hobby of mine. Gorgeous shot.
http://www.youtube.com/watch?v=s8yvZ7pIZns