STS-96 Day 4 Highlights
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- On Sunday, May 30, 1999, 7:30 a.m. CDT, STS-96 MCC Status Report # 08
- STS-96 Astronauts Tammy Jernigan and Dan Barry completed the second
longest space walk in shuttle history at 5:51 a.m. Central time
Sunday, accomplishing all of the objectives mapped out for their
excursion as well as a couple of unscheduled activities.
- Today's space walk - the 45th in space shuttle history and the
fourth of the International Space Station era - began at 9:56
p.m. Central time Saturday night, and concluded at 5:51 a.m. Sunday,
lasting 7 hours, 55 minutes. The longest spacewalk was conducted by
STS-49 Astronauts Rick Heib, Pierre Thuot and Tom Akers, which lasted
8 hours, 29 minutes on May 13 and 14, 1992.
- During today's spacewalk, Jernigan and Barry transferred and
installed two cranes from the shuttle's payload bay to locations on
the outside of the station. They also installed two new portable foot
restraints that will fit both American and Russian space boots, and
attached three bags filled with tools and handrails that will be used
during future assembly operations. Once those primary tasks were
accomplished, Jernigan and Barry installed an insulating cover on a
trunnion pin on the Unity module, documented painted surfaces on both
the Unity and Zarya modules, and inspected one of two early
communications system antennas on the Unity.
- Throughout the space walk, Jernigan and Barry were assisted by
their crew mates as Mission Specialist Ellen Ochoa operated the
Shuttle's robot arm to maneuver Jernigan around Discovery's cargo bay,
and Canadian Space Agency astronaut Julie Payette acted as
"choreographer" of the spacewalk from Discovery's flight deck.
- The excursion raised the total number of International Space
Station era space walks to four, with the total time spent on
construction activities now standing at 29 hours, 17 minutes. STS-88
Astronauts Jerry Ross and Jim Newman spent 21 hours, 22 minutes
outside Endeavour during their three space walks.
- The crew is scheduled to begin its sleep shift at 8:50 a.m. today
and will receive a wake-up call from Mission Control at 4:50 p.m. The
crew is scheduled to open a series of hatches connecting Discovery
with the International Space Station and enter the new facility about
7:35 p.m. Central time to begin the transfer of equipment and
logistical supplies from the Shuttle to the station. They'll also
conduct repairs on battery charging systems in Zarya and a balky
communications system in Unity.
- On Sunday, May 30, 1999, 7:30 p.m. CDT, STS-96 MCC Status Report # 09
- Discovery's astronauts are preparing to enter the International
Space Station for the first time in six months following a rousing
wakeup call from Mission Control in honor of Memorial Day.
- The crew is scheduled to climb inside the Unity and Zarya modules
mid evening to begin transferring nearly 3,000 pounds of equipment to
be used by future crews on the ISS. In and around transferring
operations, some maintenance tasks will be conducted - one inside
Zarya and one inside Unity.
- After wakeup to the notes of the US Coast Guard Band playing
"Morning Colors," the crew reviewed procedures for the entry
activities with both Mission Control Centers in Houston and Moscow.
- Canadian astronaut Julie Payette and Russian cosmonaut Valery
Tokarev will travel to the Zarya module and begin maintenance
activities on the storage batteries located under the floor board.
The Zarya has six such batteries, which have been experiencing a
slight loss in charging capacity during recharge. Each battery has
three "charge controllers" for a total of 18 that will be
changed during this procedure. Later, Mission Specialist Dan Barry
and Tokarev will install some acoustic insulation around some fans
inside Zarya to reduce noise levels in the module.
- Meanwhile, in the Unity module, Mission Specialist Tammy Jernigan
and Pilot Rick Husband will install shelving in 2 soft stowage racks.
The racks themselves were launched with Unity in December 1998 for use
in supporting logistics transfer activities. Later, Husband and Barry
will conduct troubleshooting and maintenance activities on the Early
- In the afternoon, the third major task of the flight begins -
transfer of logistics items. Ochoa will coordinate this activity and
will direct and document all transfers leaving the shuttle. On the
ISS side, Payette will receive the items and, along with Tokarev, will
document and stow items aboard the ISS. Discovery's astronauts are
scheduled to transfer almost 2,900 pounds of supplies and equipment
during the next three days.
- The next STS-96 mission status report will be issued at
approximately 7 a.m. Central time or as events warrant.
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