The YF-21 Omega One is the first prototype of the VF-22 variable fighter. This experimental advanced mecha was developed by the company General Galaxy to be used by the U.N. Spacy. A test pilot for the YF-21 was Guld Goa Bowman.
Fighter mode features include extreme high speed and maneuverability inside an atmosphere as well as a new mini pin-point barrier system adapted for variable fighter use.
The robot mode of this unit strongly resembles the design of the old Quimeliquola Queadluun-Rau Zentradi power armor and also uses that alien mecha's original inertia vector control system and short range energy arm cannons besides the standard gunpod.