STS-70 Day 7 Highlights
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- On Wednesday, July 19, 1995, 7 a.m. CDT, STS-70 MCC Status Report # 12
- Discovery began what promised to be another trouble-free day on orbit,
obtaining a successful alignment of the HERCULES geolocating camera
and evaluating the manual setup procedures for the rotating wall
- Pilot Kevin Kregel downlinked both live and videotaped images from
the HERCULES camera following the successful alignment of the camera's
navigation equipment, which earlier in the flight had been
troublesome. The crew kept the camera out longer than planned in an
effort to record additional images.
- Mission Specialist Don Thomas activated and deactivated the
Microencapsulation in Space experiment, a device that will attempt to
produce a timed-release antibiotic medication in weightlessness. The
lack of gravity allows the encapsulation process to be performed with
much greater purity than can be achieved on the ground, according to
experimenters. Thomas also made contacts with ham radio operators on
the ground with the Shuttle Amateur Radio Experiment.
- Mission Specialist Nancy Currie checked on the status of the
Commercial Protein Crystal Growth Experiment, helped Commander Tom
Henricks and Kregel operate HERCULES and conducted a photo survey of a
debris impact on one of the Shuttle's windows. The film was tucked way
in a bag marked for return to Houston after the flight. The debris
impact poses no hazard for the Shuttle.
- Mission Specialist Mary Ellen Weber continued her work with the
Bioreactor Development System and reported no problems with the manual
- On Wednesday, July 19, 1995, 4 p.m. CDT, STS-70 MCC Status Report # 13
- The crew of Discovery, continuing a near-perfect flight, began to
wrap up their experiment work today, after a week of gathering a host
of data ranging from Earth observations to biological studies.
- After final sessions with the HERCULES camera and the WINDEX
experiment, the crew has stowed them away for the trip home Friday.
Early today, the crew successfully aligned the HERCULES camera's
navigation equipment and sent the ground both live and videotaped
images of regions from the device. Also, Commander Tom Henricks fired
Discovery's steering thrusters several times for a final observation
by the WINDEX experiment, which shares a camera with HERCULES. WINDEX
records the environment around the spacecraft in low orbit and the
effects of a variety of events, including water dumps and larger
engine firings earlier in the flight.
- Mission Specialist Don Thomas also reported success with the SAREX
amateur radio aboard the Shuttle, counting around 50 contacts with
ground radio operators a day for several days of the mission. The
crew also spoke with students at 10 schools scattered around the
- Several experiments continue on Discovery--including the evaluation
phase of the Bioreactor device, a cell culture growth experiment that
already has successfully grown colon cancer cells during the early
days of the flight. The current portion of the study characterizes
the currents and environment inside the rotating cylinder that serves
as the cell growth chamber.
- The crew began an eight-hour sleep period at 2:42 p.m. CDT and will
awaken for their eighth day in space at 10:42 p.m. CDT. Attention
will then be turned toward the return home as the crew performs checks
of Discovery's equipment to be used during landing and starts packing
up its gear. Discovery is scheduled to land Friday at the Kennedy
Space Center in Florida, with a touchdown at 6:54 a.m. CDT.
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