STS-75: Space Shuttle Columbia

This recording captures the activation of experiments in the cargo bay of Columbia, including the tethered satellite system (TSS) and the United States Microgravity Payload (USMP) on flight day 1. Notably, the crew, led by Commander Andy Allen and Mission Specialist Jeff Hoffman, prepares for a maneuver at 5:45 PM Central Time while addressing a utility power issue. The crew is also scheduled to begin a six-hour sleep period at 6:18 PM, with the red team consisting of pilot Scott Horowitz and mission specialists Maurizio Kelly and Umberto Guidoni.

This recording captures the launch coverage of STS-75, detailing the terminal countdown leading to liftoff at 3:24 AM. Key ascent milestones include solid rocket booster separation, main engine cutoff, and external tank separation. Notably, Commander Andy Allen emphasizes safety protocols during a call with NASA Administrator Dan Golden, while the crew experiences a minor issue with a stuck nitrogen vent valve. The countdown window opened at T-minus 50 minutes, with no significant technical issues reported prior to launch.

This press conference covers the tether break incident during the STS-75 mission, which occurred at approximately 7:30 PM Central Time. Jeff Hoffman reported the tether's separation, noting it was moving away from Columbia at a rapid rate, while Commander Andy Allen confirmed the tether broke inside the boom with about 10 meters remaining attached. The conference features statements from Shuttle Program Manager Tommy Holloway and Lead Flight Director Chuck Shaw, discussing the implications and next steps following the incident.

This recording captures the decision to delay the deployment of the tethered satellite system (TSS) by 24 hours during flight day 3, allowing for troubleshooting of the SmartFlex data processing system. Flight Director Chuck Shaw explains that this extension will enhance confidence in payload communications and enable the science team to complete necessary pre-deployment checks. The crew, including Commander Andy Allen and Mission Specialist Jeff Hoffman, conducted troubleshooting on the SmartFlex, which had experienced multiple shutdowns, and prepared for a revised deployment timeline set for 2:45 PM Central Time the following day.

This recording features the ongoing analysis of the tethered satellite system (TSS) following its deployment and subsequent tether break during flight day 6. Notably, the crew discusses the satellite's configuration and the performance of its gyros, with Flight Director Chuck Shaw confirming that the satellite maintained its expected configuration for about 30 minutes post-break. The commentary includes insights from Tethered Satellite Mission Manager Bob McBrayer and Mission Scientist Novi Stone, who report on the satellite's spinning rate and the status of its experiments.

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This recording captures the launch coverage of STS-75, detailing the terminal countdown leading to liftoff at 3:18 PM. Key ascent milestones include solid rocket booster separation, main engine cutoff, and external tank separation. Notably, Commander Andy Allen discusses safety contingencies for the tethered satellite mission, emphasizing the protocol to cut the tether if necessary. The countdown window opened at T-minus 50 minutes, with no significant technical issues reported prior to launch.

This recording captures the launch coverage of STS-75, detailing the terminal countdown leading to liftoff at 3:18 PM. Key ascent milestones include solid rocket booster separation, main engine cutoff, and external tank separation. Notably, Commander Andy Allen discusses the errant gauge reading for the left main engine during ascent, which was later confirmed to be in error as all engines operated normally. The countdown window opened at T-minus 50 minutes, with no significant technical issues reported prior to launch.

Descriptive summary pending processing.

Descriptive summary pending processing.

This recording captures the launch coverage of STS-75, detailing the terminal countdown leading to liftoff at 3:18 PM. Key ascent milestones include solid rocket booster separation, main engine cutoff, and external tank separation. Notably, Commander Andy Allen discusses safety contingencies for the tethered satellite mission, emphasizing the protocol to cut the tether if necessary. The countdown window opened at T-minus 50 minutes, with all systems reported nominal prior to launch.

This recording documents the successful retraction of the tethered satellite system (TSS) boom by Payload Commander Franklin Chang Diaz following the tether break incident on flight day 3. The operation, which began at approximately 12:07 PM Central Time, was completed smoothly, with the remaining tether reeled back in and the boom stowed in the cargo bay. A crew news conference is scheduled for 2:03 PM Central Time, where all seven crew members, including Commander Andy Allen and Pilot Scott Horowitz, will discuss the mission's developments.