Real world article
(written from a production point of view)
In the script for the Star Trek: The Next Generation sixth season episode "Man Of The People", the Bironi warship was a type of warship used by the Bironi.
After the USS Enterprise-D beamed Ves Alkar and his "mother" Sev Maylor aboard from the transport ship Dorian, a Bironi warship was detected on a parallal course within sensor range of the Enterprise-D. Subsequently, Captain Jean-Luc Picard ordered a yellow alert.