One of the main elements of NASA’s Space Launch System (SLS ... but those don’t make a rocket stage any more than the Shuttle External Tank did by itself. (Photo Caption: Major join 2 of ...

Time-lapse of Space Shuttle Endeavour stacked with an external tank and pair of solid rocket boosters for a exhibit at the California Science Center. Credit: California Science Center | time-lapse by ...

The final major structural pieces, the two forward hold downs called ... Similar to the Space Shuttle External Tank, the thrust beam that runs through the stage’s intertank takes most of ...