Shuttle Avionics Integration Laboratory
The Shuttle Avionics Integration Laboratory (SAIL) is a facility at Lyndon B. Johnson Space Center in Houston, Texas.
It is the only facility in the Space Shuttle Program where actual orbiter hardware and flight software can be integrated and tested in a simulated flight environment. It supports the entire Space Shuttle program to perform integrated verification tests.
The testing process is extensive and rigorous; the software on the Shuttle is often considered to be among the most bug-free of operational systems.
The laboratory contains a complete avionics mock-up of a Shuttle, designated OV-095.[1] Whilst only a skeleton of an orbiter, the electronics are identical in position and type to those used on the Shuttle; it is a sufficiently faithful replica that crews sometimes prefer to use it to train on, rather than the training simulators.
NASA personnel who have been assigned to SAIL testing include Charlie Bolden (current NASA Administrator) and Al Crews (selected as an astronaut for the X-20 Dyna-Soar).
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