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\h        The NASA community took time Jan. 29 to honor men and women lost in the course of exploration.

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\h        At the agency's launch site, Kennedy Space Center in Florida, center director and former astronaut

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\h        Bob Cabana marked NASA's Day of Remembrance during a wreath-laying ceremony

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\h        at the Astronaut Memorial located at the center's visitor complex.

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\h        President John F. Kennedy characterized this as the most hazardous, dangerous and greatest

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\h        adventure on which man has ever embarked. But it's not an adventure without risk.

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\h        The explorers throughout history have put themselves at risk for the never-ending quest for knowledge

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\h        that drives us all. We are well aware of the risks, but that doesn't stop us from pressing on.

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\h        NASA's Day of Remembrance commemorates sacrifices made by explorers,

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\h        including three astronauts killed during the Apollo 1 fire in 1967,

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\h        seven who perished in the Challenger launch in 1986

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\h        and seven lost in break-up of Columbia during re-entry in 2003.

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\h        Each accident became a turning point for NASA. Officials note that the agency might not have made

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\h        some of its strongest gains without the lessons of the lost flights.

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\h        This is an exciting time and we honor those who have gone before us by continuing our quest

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\h        for knowledge in this greatest adventure of all time.