W68

W68
A W68 warhead in a Mk3 reentry Body. See image below for scale.
TypeNuclear weapon
Service history
In service1971-1991
Used byUnited States.
Production history
DesignerLawrence Livermore National Laboratory
ProducedJune 1970 - June 1975
No. built5250
Specifications
Mass367 pounds (166 kg)

Detonation
mechanism
Contact, airburst
Blast yield40 kilotonnes of TNT (170 TJ)
W68 with table and models for scale.

The W68 warhead was the warhead used on the UGM-73 Poseidon SLBM missile. It was developed in the late 1960s at Lawrence Livermore National Laboratory.