FLIGHT 13A

S3/S4 Truss Segments

The following is a summary of the events occurring on this flight:

Rendezvous of the Orbiter with the Space Station occurs at an altitude of 220 nmi.
Flight 13A delivers ITA S3, PV module S4 and 4 PASs.
The S3/S4 truss segments are attached to the Starboard side of truss segment S1.
The major component of the S3 truss segment is the solar alpha rotary joint. Segment S3 accommodates solar tracking in support of ISSA photo-voltaic power system. It provides accommodation for 4 attached payloads (no ULC).
The S4 PV module is the third of four U.S. solar array based power sources. S4 provides the photo voltaic power system, storage batteries and related avionics.
S3/S4 segments are approximately 45.3 feet long.
ITS P6 is in the permanent port outboard location.
All EATC radiators are now activated.