Astronaut Franklin R. Chang-Diaz works with a grapple fixture during extravehicular activity (EVA) to perform work on the International Space Station (ISS). The first spacewalk of the STS-111 mission began with the installation of a Power and Data Grapple Fixture (PDGF) for the station's robotic arm on the complex's P6 truss. The PDGF will allow the robotic arm to grip the P6 truss for future station assembly operations. Astronauts Chang-Diaz and Philippe Perrin (with French Space Agency, CNES) went on to install the new fixture about halfway up the P6 truss, the vertical structure that currently supports the station's set of large U.S. solar arrays.
Date: June 9, 2002 Source: NASA
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