A few minutes later the trains collide and the thermonuclear bomb goes off setting a massive explosion.

The government decided on 27 July 1954 to begin development of a thermonuclear bomb and announced its plans in February 1955.

The crash dropped three thermonuclear bombs on the land, and one in the sea.

The Soviet Union test fires a thermonuclear bomb for the first time.

Propogate thermonuclear bombs, and thus have more permanent members on the security council.

France developed its nuclear and thermonuclear bombs without outside assistance.

Pakistan has probably had the capability to assemble a thermonuclear bomb for at least the past five years.

"You think there may be thermonuclear bombs going off in the Mote system?"

A two stage thermonuclear bomb which had a much more powerful trigger".

Tomorrow at about this time, Ball wouldn't be the one walking into that very tunnel with a thermonuclear bomb strapped to his guts.