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Astronauts Winston E. Scott (foreground) and Takao Doi work with a 156-pound crane used in the manifest part of their extravehicular activity (EVA). This phase of the EVA was part of a continuing effort to evaluate tools and operating methods to be applied to the construction of the International Space Station (ISS). The crane device is designed to aid future EVA in transporting Orbital Replacement Units (ORU) with a mass up to 600 pounds from translating carts on the exterior of ISS to various worksites on the truss structure. The two had earlier installed the crane on a socket along the middle port side of the space shuttle Columbia's cargo bay for the evaluation. Scott, a NASA mission specialist astronaut, was making both his second spaceflight and his second EVA. Doi, an international mission specialist representing Japan's National Space Development Agency (NASDA), was making his first trip in space. The picture was taken with an Electronic Still Camera (ESC) at 6:23:36 GMT.