The new mobile launch tower, right, is on the move Wednesday, November 16, 2011 about to pass by the Vehicle Assembly Building, center, headed to the launch pad to collect data from structural and functional engineering tests. The 355-foot-tall ML is being modified to support the Space Launch System, the heavy lift rocket that will launch astronauts farther into space than ever before. It was previously used for the Ares launch as part of the defunct Constellation space program.