Logistics Carrier Installed on Station Backbone
Wed, 18 Nov 2009 15:32:21 -0600
At 4:27 p.m. EST, shuttle Atlantis and space station astronauts attached the Express Logistics Carrier -1 (ELC) to the Earth-facing side of the station’s left truss, or backbone. This is the first of two ELCs that will be installed on the station’s exterior during STS-129, providing easily-accessible spares to increase the longevity of the station.
The spare hardware stored on ELC-1 includes an Ammonia Tank Assembly, a Battery Charger Discharge Unit, a Control Moment Gyroscope, a station robotic arm Latching End Effector Unit, a Nitrogen Tank Assembly, a Plasma Contactor Unit, a Pump Module Assembly and a Passive Flight Releasable Attachment Mechanism.
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