The TN 70 is a French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

-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

M4 SLBM

The M4 was a French Submarine Launched Ballistic Missile deployed on the nuclear Le Redoutable class submarines They entered service on the 1 May 1985...

, it was replaced from 1987 by the TN 71

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....

.

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were 96 operational TN 70 warheads before its replacement in 1987 but none remaining by 1997, at which time it was withdrawn from service.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

• force de frappe
  Force de frappe
  The Force de Frappe is the designation of what used to be a triad of air-, sea- and land-based nuclear weapons intended for dissuasion, and consequential deterrence...
  
  
• FOST
  Fošt
  Fošt is a settlement at the foothills of the Pohorje range to the west if Slovenska Bistrica municipality in northeastern Slovenia. The area is part of the traditional region of Lower Styria. It is now included with the rest of the Slovenska Bistrica municipality into the Podravje statistical...
  
  
• nuclear tests by France