Space Shuttle External Tank and Solid Rocket Boosters Update

I've been slowly working on the update to the External Tank (ET) and Solid  Rocket Boosters (SRB).

I'll add this to the MLP/Crawler 3D model later.

Space Shuttle External Tank (Part 1)

I've started to add more details to the External Tank (ET), the stringers on intertank, as well as the access door and that GUPC...