Take off in the B-50D with X-1A or X-1B dropship attached from KSC airport...Press K to start the B-50's Props turning..Press G to raise your gear and press + and CTRL to engage your engines...Press J to Drop the X-1A or X-1B..Press + and CTRL to activate the Rockets..Press G to lower your Gear..Press K to open your Canopy....Uses Vinka's new Spacecraft3.DLL.(included)..Has Engine Sounds (needs OrbiterSound 3.0Â or higher installed).Unzip into your Orbiter folder.(Make sure - Use Folder names is ticked when using winzip.)