Last June a test model of the Space Launch System's 70 ... With an upper stage and payload atop its core, the new moon rocket will stand 322 feet tall. That’s 41 feet shorter than Apollo ...

Special research test stands have been set up for this purpose. The oldest of these is P6, which was built in 1966 and consists of the two test cells P6.1 and P6.2. Originally, high-energy rocket ...