Space Launch System: Construction of the Mobile Launch Platforml

A NASA compiled footage of NASA engineers building the SLS Mobile Launch Platform and Launch Tower outside the Vehicle Assembly Building at Kennedy Space Center. After installation of the retractable rocket arms, the MLP is moved via the crawler transporter to pad 39B for testing - the first time since the Space Shuttle!

After systems testing at the pad, the structure is rolled back to the Vehicle Assembly Building high bay area, for the assembly and vertical stacking of the Space Launch System components from CAHRF, ready for its epic first mission - Exploration Mission 1.

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