JSC2000-02935 (5 April 2000) --- David Pogue (left), a crew escape equipment trainer, helps astronaut Scott D. Altman with a special device that enables him to rappel from an Earthbound shuttle in trouble. The STS-106 pilot will join four other NASA astronauts and two cosmonauts representing the Russian Aviaition and Space Agency for a late summer visit to the International Space Station.