Please look at the controls and tips sections. The background section is simply for your reading pleasure. To learn more about mass vectoring, go to the first comment, and click on the link.

Background: The Variable Mass project is the extension of a unique concept: Mass vectoring. It uses mass vectoring in a way that would make it actualy applicable in aviation. This particular aircraft uses contra rotating mass vectoring systems, which makes it have much less jolty handling. Additionally, it uses a large array of stabilizers to prevent excessive turbulence that may be caused by the mass vectoring system. Also, rear stabilizers are equipped with flaps that allow the jet to do basic maneuvering without the mass vectoring system.

Controls:
Activator 1: activate mass vectoring systems.

IMPORTANT notes:
Do not use the mass vectoring system until you have reached speeds of about 1000 mph.