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Quest completes Phase I and demonstrates feasibility of Advanced Cooled Shield MLI

Quest Thermal Group completed a NASA Phase I contract with the successful demonstration of our latest high performance insulation called Advanced Cooled Shield MLI. ACS systems allow either passive Vapor Cooled Shield or active Broad Area Cooled Shield operation, and had 22% lower heat flux with LN2 tanks than high performance IMLI. ACS use on LH2 tanks is modeled to provide 70% lower heat flux than IMLI, with up to 75% less mass than current state of the art tube-on-shield Broad Area Cooled shields. Quest ACS-MLI involved new inventions in cooled gas distribution, integrated into our IMLI structure.