The Venom Class AGRAV infiltrator
The Venom is an Anti-Gravity craft design to infiltrate enemy air space mostly undetected , the design was purposefully made to carry a one of a kind Mk I railgun, as well as the standard armament of the XED

It boasts 24 Valiant A-A missiles, and 6 Hydra Mk IV's
But its main armament is its Large Railgun

How to use the railgun:
First activate AG-1 this will turn it on, to fire is just the fire gun button, it shoots a ship killing round, and takes 15 seconds to cool down, best at medium range in VTOL mode, but if you try you could hit ships in normal mode

Controls:
Ag-1 : Turns on the railgun
Ag-2 : Activates VTOL mode , Roll turns to Yaw, Pitch is usefull for aiming, VTOL slider adjusts your altitude

Note : you can only land and take off by VTOL mode
Ag-8 : Activates/Deactivates the main engine