The TN 70 is a

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

-built

thermonuclear warhead A thermonuclear weapon, fusion weapon or hydrogen bomb (H bomb) is a second-generation nuclear weapon design. Its greater sophistication affords it vastly greater destructive power than first-generation nuclear bombs, a more compact size, a lowe ...

which was used on submarine-launched ballistic missiles in ''Redoutable'' class ballistic missile submarines. It has a yield of 150 kt. Entering service in 1985 on M4-B ballistic missiles, it was replaced from 1987 by the

TN 71 The TN 71 is a French-built thermonuclear warhead which was used on submarine-launched ballistic missiles in ''Redoutable'' class ballistic missile submarines. It has a yield of 150 kt. Entering service in 1985 on M4-B ballistic missiles, i ...

. There were 96 operational TN 70 warheads before its replacement in 1987 but none remaining by 1997, at which time it was withdrawn from service.

See also