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  • Launch of the Ocean Surface Topography Mission/Jason 2 satellite

    NASA Launches OSTM/Jason 2

    A new oceanography satellite launched on a globe-circling voyage to continue charting sea level, a vital indicator of global climate change.

  • artist concept of Ocean Surface Topography Mission

    Joint NASA-French Satellite to Track Sea Level, Climate

    A satellite that will help scientists better monitor and understand rises in global sea level, study the world's ocean circulation and its links to Earth's climate is undergoing final preparations.

  • OSTM being taken off plane

    Ocean Survey Spacecraft Arrives at Launch Site

    A NASA and French Space Agency spacecraft designed to continue a long-term survey of Earth's oceans has arrived at Vandenberg Air Force Base, Calif., for final launch preparations.