NASA NTRS · 20050163129
External Tank CIL Closed Loop Verification System
Abstract
Lockheed Martin was requested to develop a closed loop CIL system following the Challenger accident. The system that was developed has proven to be very robust with minimal problems since implementation, having zero escapes in the last 7 years (27 External Tanks). We are currently investigating expansion of the CIL Closed Loop system to include "MI" CILs.
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Hartley, Eugene A., Jr.. 2005-01-01. External Tank CIL Closed Loop Verification System. https://ntrs.nasa.gov/citations/20050163129
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