The TN 60 was a French nuclear missile warhead. The 1 megaton TN 60 missile warhead entered service in early 1977 as an interim warhead for the MSBS M20 SLBM. The TN 60 was the first French warhead "hardened" to penetrate the Russian ABM defenses around Moscow. The TN 60 was replaced with the

TN 61 The TN 61 was a French nuclear warhead. It was a lighter weight version of the TN 60 warhead and quickly replaced it in service on the M20 SLBM A submarine-launched ballistic missile (SLBM) is a ballistic missile capable of being launched fr ...

starting in late 1977.

References

*Norris, Robert, Burrows, Andrew, Fieldhouse, Richard "Nuclear Weapons Databook, Volume V, British, French and Chinese Nuclear Weapons, San Francisco, Westview Press, 1994, Nuclear bombs of France Military equipment introduced in the 1970s {{Nuclear-weapon-stub