Also known as XW31, W-31, XW-31, XW-31Y1
thumb|A W31 Y2 nuclear warhead undergoing maintenance
thumb|A W31 Y2 nuclear warhead undergoing maintenance
The W31 was an American nuclear warhead used for two US missiles and as an atomic demolition munition.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).