(04/29/1997) --- STS-84 crew members ride in and learn how to operate an M-113 armored personnel carrier as part of the Terminal Countdown Demonstration Test (TCDT) activities. In the front seat is Pilot Eileen Marie Collins. George Hoggard, a training officer with KSC Fire Services, sits beside her on top of the personnel carrier. Directly behind Hoggard, from left, are Commander Charles J. Precourt and Mission Specialist Elena V. Kondakova (sitting) of the Russian Space Agency. At the rear, from left, are Mission Specialist C. Michael Foale and Mission Specialist Jean-Francois Clervoy of the European Space Agency. STS-84 aboard the Space Shuttle Atlantis will be the sixth docking of the Space Shuttle with the Russian Space Station Mir. After docking, Foale will transfer to the space station and become a member of the Mir 23 crew, replacing U.S. astronaut Jerry M. Linenger, who will return to Earth aboard Atlantis. Foale will live and work on Mir until mid-September when his replacement is expected to arrive on the STS-86 mission. STS-84 is targeted for a May 15 liftoff