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High up in the Vehicle Assembly Building (VAB) at NASA's Kennedy Space Center in Florida, an overhead crane has lowered the final work platform, A north, into place for installation in High Bay 3. The platform is being installed and secured on its rail beam high up on the north wall of the high bay. In view below the A platforms are the nine previously installed platform levels. The installation of the final topmost level completes the 10 levels of work platforms, 20 platform halves altogether, that will surround NASA's Space Launch System rocket and the Orion spacecraft and allow access during processing for missions, including the first uncrewed flight test of Orion atop the SLS rocket in 2018. The A-level platforms will provide access to the Orion spacecraft's Launch Abort System for Orion lifting sling removal and installation of the closeout panels. The Ground Systems Development and Operations Program, with support from the center's Engineering Directorate, is overseeing upgrades and modifications to the VAB, including installation of the new work platforms.