UFO sightings in outer space

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1	© 2001 New Frontiers in Science (ISSN[removed]newfrontiersinscience.com Add to Reading List Source URL: www.carlotto.us Language: English - Date: 2008-06-04 13:51:07 Space Shuttle International Space Station UFO sightings in outer space Spaceflight Manned spacecraft Human spaceflight
2	PDF Document Add to Reading List Source URL: www.scientificexploration.org Language: English - Date: 2009-01-07 20:01:30 Manned spacecraft Space stations Human spaceflight Space Shuttle International Space Station Mir Vernier thruster UFO sightings in outer space Spaceflight Spacecraft Space technology