STS111-E-5164 (11 June 2002) --- Astronauts Franklin R. Chang-Diaz (left) and Philippe Perrin, both STS-111 mission specialists, work in tandem on the second scheduled session of extravehicular activity (EVA) for the STS-111 mission. During the spacewalk, Chang-Diaz and Perrin attached power, data and video cables from the International Space Station (ISS) to the Mobile Base System (MBS) and used a power wrench to complete the attachment of the MBS onto the Mobile Transporter (MT). Perrin represents CNES, the French Space Agency.