TN 70

The TN 70 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 and entered service in 1985 on M4-B ballistic missiles.^[1] It was replaced from 1987 by the TN 71 which were lighter.^[2]

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were 96 operational TN 70 warheads before its replacement in 1987 but none remaining by 1997, at which time it was withdrawn from service. ^{[citation needed]}