The Rhino Jet is a rectangular tank-like robot that is colored mostly black and grey. It has black tank treads on both sides underneath, jet exhausts on either side of its head, and a "head" similar in appearance to a Mono Beetle that hangs out from the front with the G.U.N. logo and number "03" emblazoned on it.
The Rhino Jet appears in the following stages:
|Normal mode||Hard mode|
|Dr. Eggman||Sand Ocean