This is an E-wing, an Expanded Universe ship from Star Wars. It contains three laser cannons, two proton torpedo launchers, and has shields, hyperdrize, and life support. With two engines and three laser cannons, the essiantial guide says it's faster and more powerful than the X-wings four engines and four laser cannons... Oh well.
It would look much like a G-Wing, Ratora. ;-) This is a very good custom, by the way, except I don't really like the nose. It's not quite the right shape, I don't think. But the wings and everything else is just about perfect.