The Long Duration Exposure Facility (LDEF) project, originally called the Meteoroid and Exposure Module, was begun in 1970. Conceived and managed by the National Aeronautics and Space Administration's (NASA) Langley Research Center in Hampton,...

LDEF, shortly before deployment, flies on Challenger 's RMS arm over the Florida...

NASA Orbiter Yields Bounty of Data NASA's Long Duration Exposure Facility (LDEF) yielded a rich harvest of data on the conditions in Earth orbit and how spacecraft materials and systems perform in that environment, the space agency has announced. The LDEF, which...

When NASA launched the Long Duration Exposure Facility (LDEF) in April 1984, it intended to bring the orbiting, unmanned laboratory back to Earth nine months later. But delays after the 1986 Challenger accident kept LDEF waiting until January 1990, when a space shuttle...