Also known as Piasecki HUP Retriever, H-25 Retriever, Retriever helicopter, Retriever, HUP, UH-25, HUP Retriever
utility helicopter series by Piasecki
via Wikidata · CC0
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).