Klingon Empire trefoil emblem image. Sub-Lieutenant Derl was a Klingon delegate sent to negotiate with the Kreel regarding a cache of advanced Cognoscenti weapons found on the planet DQN 1196. (TNG novel: Strike Zone) This article is a stub relating to a character. You can help our database by expanding on it. AppendicesEdit Appearances and referencesEdit AppearancesEdit 2365 TNG novel: Strike Zone Retrieved from "https://memory-beta.fandom.com/wiki/Derl?oldid=606815" Categories: Memory Beta stubs (characters) Klingons Klingon military personnel Klingon lieutenants 24th century births Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.