Stack Skirts Skirts FSS and Beanie Cap Stand Crawlerway Flame Trench Big Holes Flame Trench In the Trenches Crawler Crawler Crawler Compare: VAB, 1965 and 2009 Compare: VAB crawlerway, 1965 and 2009 STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch -- ISS Passes Over STS-131 Launch - Nine Minute Hold STS-131 Launch - ISS Passes Over STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch STS-131 Launch Stack Repairs Engines SSME SRB Engines Carriage T-0 Umbilical Leading Edge White Room Arm White Room Middeck Slide Wire Escape Basket Nose Windows Belly Bipod Tank and Dewar Discovery Backyard Crawler and Rocket Row This End Up Structure Nose VAB Stack White Room Cone and Ogive Structure Stack Discovery Discovery Discovery Discovery Passage High Bay Passage Bunker Tunnels Safe Haven Stands Belly External Tank SRB Nose External Tank Floating ET Inside the Glove Hatch Payload Bay Panel Meatball Discovery Discovery Discovery Mobile Launch Platform Discovery Orbiter Servicing Equipment Orbiter Hangar Mate-Demate Device Vehicle Assembly Building ARES-I Orbiter Tooling