STS109-E-5141 (3 March 2002) --- Astronauts will find these handrails on the Hubble Space Telescope very helpful during a series of scheduled space walks throughout the coming week. STS-109 crew members used a digital still camera, as well as other cameras, to survey and document various areas on the giant telescope. This mission marks the fourth shuttle visit to the Hubble since its deployment in April of 1990.