Astronauts Piers Sellers and Garrett Reisman, operating the space station's robot arm, moved a cargo pallet loaded with old solar array batteries back to the shuttle Atlantis' cargo bay Saturday for return to Earth.

Credit: NASA TV

Working at the robotics work station inside the station's multi-window cupola, Sellers and Reisman began moving the integrated cargo carrier back to the shuttle just after 4:30 a.m., completing the operation at 5:50 a.m.

For launch, the ICC was loaded with a backup Ku-band dish antenna, an 8-foot antenna boom, an equipment storage platform and six new batteries to replace outdated power packs in the station's far left solar array.

The antenna, its support boom and the equipment platform were moved to the space station during a spacewalk Monday. The new batteries were installed during spacewalks Wednesday and Friday and the old batteries were bolted to the ICC for return to Earth.

"The shuttle crew has mainly got all their eyes on the robotics and what's happening there," said space station Flight Director Scott Stover. "Additionally, both shuttle and station crew will be cleaning up all the EVA tools and equipment. Some of that equipment has to come back on the shuttle, including some of the suits, so we're going to be transferring a lot of that from the space station airlock back over to Atlantis.

"At the same time, we've got some stage EVAs coming up, probably in July, so we have to make sure the space station airlock is in a good config so whenever we go out the door in July, we're ready to go.

"Of course, the most important thing we do on the space station is all the science," he said. "So all of the space station crew members and a few of the shuttle crew members will be partaking in experiments and all kinds of activities, just to make sure we're keeping that science going."

After answering video questions from school kids at 7:40 a.m., the combined 12-member shuttle-station crew planned to share a joint meal at 8 a.m. The Atlantis astronauts looked forward to two and a half hours of off-duty time starting at 11:05 a.m. with crew sleep on tap at 4:50 p.m.

Atlantis is scheduled to undock from the International Space Station around 11:22 a.m. Sunday.

Here is an updated timeline of today's activity (in EDT and mission elapsed time; includes revision H of the NASA television schedule):

EDT........DD...HH...MM...EVENT

05/22
01:20 AM...07...11...00...Crew wakeup
02:50 AM...07...12...30...ISS daily planning conference
03:35 AM...07...13...15...SSRMS berths ICC in payload bay
04:55 AM...07...14...35...EVA prep for transfer
05:05 AM...07...14...45...SSRMS maneuver
06:25 AM...07...16...05...EVA transfer to shuttle
07:40 AM...07...17...20...PAO event
08:00 AM...07...17...40...Joint crew meal
09:00 AM...07...18...40...Middeck transfers
10:30 AM...07...20...10...Mission status briefing on NTV
11:05 AM...07...20...45...Shuttle crew off duty
02:00 PM...07...23...40...ISS daily planning conference
04:20 PM...08...02...00...ISS crew sleep begins
04:50 PM...08...02...30...STS crew sleep begins
05:00 PM...08...02...40...Daily video highlights reel
08:00 PM...08...05...40...HD crew highlights

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VIDEO: REMOVING GIMBAL LOCKS ON ANTENNA DISH PLAY
VIDEO: ADDING TO TORQUE TO NEW KU-BAND ATENNA PLAY
VIDEO: THE DAY'S FINAL NEW BATTERY INSTALLED PLAY
VIDEO: THIRD OLD BATTERY PULLED OUT AND STOWED PLAY
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VIDEO: TUESDAY MORNING'S FLIGHT DIRECTOR INTERVIEW PLAY
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VIDEO: FLIGHT DAY 4 HIGHLIGHTS MOVIE PLAY
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VIDEO: CARRIER ATTACHED TO STATION'S RAILCAR PLAY
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VIDEO: WELCOMING CEREMONY FOR SHUTTLE CREW PLAY
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VIDEO: FLIGHT DAY 1 HIGHLIGHTS MOVIE PLAY
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VIDEO: PAYLOADS HEAD FOR LAUNCH PAD PLAY | HI-DEF
VIDEO: RASSVET PLACED INTO THE TRANSPORTER PLAY | HI-DEF
VIDEO: PALLET LOADED WITH MISSION'S CARGO PLAY | HI-DEF
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VIDEO: RASSVET HATCH CLOSED FOR FLIGHT PLAY | HI-DEF
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VIDEO: ASTRONAUTS VISIT THEIR SPACECRAFT PLAY | HI-DEF
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