thumb|right|The W71 nuclear warhead thumb|right|W71 warhead and Spartan missile upper stage being lowered into the borehole for the nuclear test Grommet Cannikin.
thumb|right|The W71 nuclear warhead thumb|right|W71 warhead and Spartan missile upper stage being lowered into the borehole for the nuclear test Grommet Cannikin.
The W71 nuclear warhead was a US thermonuclear warhead developed at Lawrence Livermore National Laboratory in California and deployed on the LIM-49A Spartan missile, a component of the Safeguard Program, an anti-ballistic missile (ABM) defense system briefly deployed by the US in the 1970s.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).