- Provides first US solar power with
solar arrays and batteries, called photovoltaic (PV) module.
- First PV module installed temporarily
on Z1 truss until after 13A when can be moved to P5 truss.
- Two radiators provide early cooling,
called photovoltaic (PV) Thermal Control System (TCS) radiators. Also,
S-band communications system is activated for voice and telemetry.
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