![]() ![]() 6, and Unity came to life at 10:49 p.m., Dec. Significant dates and times of the mission: Unity and Zarya were successfully engaged at 9:48 p.m., Dec. Newman moved into third place with four walks totaling 28 hours, 27 minutes. Krikalev and Currie also replaced a faulty unit in Zarya.Ī new spacewalk record was established as Ross completed his seventh walk, totaling 44 hours, nine minutes. Other EVA objectives were met as Ross and Newman tested a Simplified Aid for EVA Rescue (SAFER) unit, a self-rescue device should a space walker become separated from the spacecraft during an EVA nudged two undeployed antennas on Zarya into position removed launch restraint pins on Unity's four hatchways for mating future additions of station modules and truss structures installed a sunshade over Unity's two data relay boxes to protect them against harsh sunlight stowed a tool bag on Unity and disconnected umbilicals used for the mating procedure with Zarya installed a handrail on Zarya and made a detailed photographic survey of the station.Īstronauts completed assembly of an early S-band communications system that allows flight controllers in Houston to send commands to Unity's systems and keep tabs on the health of the station, plus conducted a successful test of the videoconferencing capability of the early communications system which the first permanent crew will use. The two modules were powered up after the astronauts' entry. 6, using the 50-foot-long robot arm, the Zarya control module was captured from orbit and mated to Unity and astronauts Ross and Newman conducted three space walks to attach cables, connectors and hand rails. 5, the 12.8-ton Unity connecting module was first connected to Endeavour's docking system on Dec. 4.ĭuring the 12-day mission to begin assembly of the International Space Station (ISS), all objectives were met. With only seconds to respond, launch controllers were unable to resume the countdown in time to launch within the allotted remaining window. Shuttle system engineers attempted to quickly complete an assessment of the suspect hydraulic system and eventually gave an initial "go" to resume the countdown. The countdown was held at T-31 seconds to further assess the situation. About T-4 minutes in the launch countdown, after the orbiter hydraulic systems were powered on, a master alarm associated with hydraulic system number 1 in the crew cabin was noted. 3 was postponed for 24 hours when time ran out on the launch window. ![]() The originally scheduled launch of Endeavour on Dec. Image above: STS-88 Crew photo with Commander Robert D. Mission Duration: 11 days, 19 hours, 18 minutes Landing Site: Kennedy Space Center, Florida Mission: First International Space Station Flight ![]()
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