The Shuttle Avionics Integration Laboratory (SAIL) was a facility at Lyndon B. Johnson Space Center in Houston, Texas.
It was 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 supported 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), Michael Coats (Current Director at JSC NASA), Brewster Shaw (Boeing Vice President of Space Exploration Division) and Al Crews (selected as an astronaut for the X-20 Dyna-Soar). The FIRST SAIL CDR (Commander - left seat) was James E. Westom/Rockwell International, retired Major USAF. His service as SAIL CDR started in the Approach and Landing test phase, where the orbiter (flying part) was launched off the top of the NASA C-747 vehicle to prove it could fly on its own in the atmosphere. Maj Westom's duties were from 1974-1989, when he had to retire early for family medical support.
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