Space Shuttle Expansion for Flight Simulator X - PC Exclusive effects Realistic flight model Pre-saved flights Voice package Add-on scenery Payload Bay Doors SRMS Shuttle Remote Manipulator System) Drag Chute Radiators Side Hatch Air Probes Antenna Vent Doors Elevons Rudder Speed Brake Body Flap Landing Gears extension Landing Gear Doors Highly detailed 3D virtual cockpit Flight deck with aft crew station Mid deck with airlock Payload bay and much, much more... Panels include hi-res 2D, virtual cockpit, Commander view 2D panel, HUD, exterior model animation control panel, radio and GPS panels Custom voice package with 19 'real time' cues based on actual crew and Mission Control communications System Requirments:FSX,Windows, XP/Vista