CEF may refer to for:
==Military== Canadian Expeditionary Force, in the First World War Chinese Expeditionary Force, during the Burma Campaign of World War II Czech Air Force, ICAO airline code French Expeditionary Corps (1943–44) (corps expéditionnaire français), operating in Italy Westover Air Reserve Base in Massachusetts
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).