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[i]Go behind-the-scenes with our Space Shuttle Team! Our team recently reinstalled the gaseous oxygen (GO2) vent valve assembly on the nose of ET-94. This assembly vented gaseous oxygen that boiled off as the cryogenic liquid oxygen (LO2, -297 degF) warmed while the space shuttle stack sat on the launch pad. The venting was necessary to maintain a tank pressure of about 34 psi. After installing the vent valve assembly, the team attached a carbon-fiber nose cap that provided an aerodynamic shape to the nose of the ET.[/i]
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