The foreign hardware has substantially increased their thermonuclear device's yield.

It was like carrying a thermonuclear device to kill ants.

Pyongyang has spent decades developing nuclear weapons, culminating in the test of a thermonuclear device last year.

North Korea spent decades developing nuclear weapons, culminating in the test of a thermonuclear device in 2017.

It was a thermonuclear device several orders of magnitude larger than the largest ever made on Arbre.

Among other reasons, Eisenhower signed the legislation in reaction to the Soviet Union testing a thermonuclear device the year before.

You are not in danger from our own thermonuclear devices.

Loaded in the bomb bay of each plane were four Mark-28 thermonuclear devices, SAC's primary Cold War weapon.

Testing might show whether death occurred, roughly, before or after 1963, the end date for atmospheric testing of thermonuclear devices.

"Preliminary reports indicate that a thermonuclear device in the fifty-megaton range was detonated over Caprica City thirty minutes ago."