Lander (spacecraft) a landing which should have come on 25 December 2003 was not received. Indeed, no communication was ever established and "Beagle 2" was declared lost on 6 February 2004. The proposed 2009 British Beagle 3 lander mission to search for life, past or present was not adopted. The French/ESA NetLander mission for 2007 or 2009, with an orbiter and 4 landers, was cancelled because it was too expensive. Its successor, Mars MetNet, a multi-lander mission for 2011–2019 was not adopted by the ESA. The American Mars Exploration Rovers "Spirit" and "Opportunity" were launched in June and July 2003. They reached
Mars Reconnaissance Orbiter opal, and gypsum. Two to five of the mineral classes were formed with the right pH and sufficient water to permit life to grow. The "Mars Reconnaissance Orbiter" CTX and HiRISE cameras have photographed a number of avalanches off the scarps of the northern polar cap as they were occurring. On August 4, 2011 (sol ), NASA announced that MRO had detected what appeared to be flowing salty water on the surface or subsurface of Mars. On September 28, 2015, this finding was at a special NASA news conference. Mars Reconnaissance Orbiter Mars Reconnaissance Orbiter (MRO) is a multipurpose spacecraft