The USS Antos IV (NCC-2735) was a Loknar-class (mark I subclass) Federation frigate starship in the 23rd century, entering Starfleet service on reference stardate 1/9706. The Antos IV was named for the planet Antos IV, and was refit to the Loknar mark II specifications on stardate 2/0002. (FASA RPG module: Federation Ship Recognition Manual)