MISSION CONTROL CENTER STATUS REPORT #10
STS-91
SUNDAY, JUNE 7, 1998  - 6 a.m. CDT

The astronauts and cosmonauts aboard the Discovery-Mir complex were
awakened at 3:06 a.m. Central time today to the sounds of "Travelin'
Band" by Credence Clearwater Revival to begin their final full day of
docked operations. Today's activities include the final transfer of
water and logistical supplies, preparations for tomorrow's undocking of
the two spacecraft, and a photo and video survey of the interior of the
Russian space station.

 So far, the crew has transferred nine bags of water weighing nearly 900
pounds to Mir; another three or four bags are yet to be transferred.
Nearly all of the Russian resupply items - about 2200 pounds --have been
transferred from Discovery to Mir, with some U.S. items to be returned
to Earth from the Mir yet to be moved to the shuttle.

Among the science items to be transferred to Discovery today is the
COCULT experiment, which is a testbed for the growth, maintenance and
study of long-term on-orbit cell growth for tissue engineering.  In this
experiment, a human endothelial cell line and a human breast cancer cell
line were cultivated.  The procedures used in engineering  this specific
type of tissue model may be of great benefit in the development of
engineered tissue models of normal tissues in future experiments.

At 11:30 a.m. Central time, all nine astronauts and cosmonauts will
gather for a joint news conference and farewell ceremony.  This event,
which is expected to last about 40 minutes, will include brief
statements from Commander Charlie Precourt and Mir 25 Commander Talgat
Musabayev, followed by questions from U.S. and Russian reporters.  An
informal farewell between crewmembers will wrap up this morning's
events.  The crew members final farewell, hatch closing and undocking
will take place Monday morning with the physical seperation of the two
vehicles for the last time planned at about 11 a.m. Central time.

Later today, Mission Specialists Franklin Chang-Diaz, Wendy Lawrence and
Janet Kavandi will conduct a brief evaluation of the maneuverability of
moving a bundled spacesuit through the Orbiter Docking System
passageway. Information from the evaluation may assist in preparations
for assembly of the International Space Station.  

Discovery's crew also has been asked to cycle the circuit breaker on one
of the cameras in the rear of the shuttle's payload bay in an attempt to
restore the camera's function for use in recording Monday's Spektr leak
detection test, planned during the shuttle's flyaround of the station.
Plans for the choreography of the final leak detection test will be
discussed in a tagup by the nine crew members this afternoon.

On the eve of the last undocking by a shuttle from the Mir, the
Shuttle-Station complex is orbiting at an altitude of 207 nautical miles
circling the Earth once every 92 minutes.

The next STS-91 status report will be issued at 6 p.m. Central time
today.