Mars Odyssey timeline.

Apr 7, 2001

Launch

http://http://en.wikipedia.org/wiki/Mars_OdysseyMars Odyssey is launched at Cape Canaveral Air Force Station in Florida by a Delta II rocket.
Oct 24, 2001

Mars is in Sight

http://en.wikipedia.org/wiki/Mars_Odyssey Mars Odyssey reaches Mars at 2:30 A.M.
Feb 19, 2002

Scientific Mapping

http://en.wikipedia.org/wiki/Mars_OdysseyMars Odyssey began scientifically mapping Mars.
May 28, 2002

Water

http://en.wikipedia.org/wiki/Mars_OdysseyMars Odyssey's GRS detected large amounts of hydrogen meaning that there must be water within a meter of Mar's surface.
Sep 30, 2008

Altered Orbit

http://http://en.wikipedia.org/wiki/Mars_OdysseyMars Oddyssey altered its orbit of Mars to acheive greater quality for its infrared mapping of Mar's minerals.
Dec 15, 2010

Record Breaker

http://http://en.wikipedia.org/wiki/Mars_OdysseyMars Odyssey breaks the record for the longest time any space craft has served Mars

Launch