In the 2270s decade, after the USS Enterprise returned from the inversion drive test trial, the Inaieu was part of a fleet assembly that greeted the Enterprise in the Sol system. (TOS novel: The Wounded Sky) Inaieu, under command of Nhauris Rihaul, was assigned to James T. Kirk's task force at the Romulan Neutral Zone to investigate what became known as the Levaeri V incident. (TOS - Rihannsu novel: My Enemy, My Ally)