Mission	Country	Date	Type of Mission	Notes
Mars 1		1962	Flyby	FAILURE: lost contact before flyby
Mariner 3		1964	Flyby	FAILURE: shroud separation
Zond 2		1964	Flyby / Lander	FAILURE: lost contact in flight
Mariner 4		1964	Flyby	SUCCESS: returned 22 images
Mars 1969A		1969	Flyby	FAILURE: Launch
Mars 1969B		1969	Flyby	FAILURE: Launch
Mariner 6		1969	Flyby	SUCCESS: returned 75 images
Mariner 7		1969	Flyby	SUCCESS: returned 126 images
Mariner 8		1971	Orbiter	FAILURE: Launch
Mariner 9		1971	Orbiter	SUCCESS: returned 7,329 images
Mars 2		1971	Orbiter / Lander	FAILURE: Parachuted into dust storm
Mars 3		1971	Orbiter / Lander	FAILURE: Parachuted into dust storm
Mars 5		1973	Orbiter	FAILURE: Loss of pressure in Mars orbit
Mars 6		1973	Lander	FAILURE: Landing failure
Viking 1		1975	Orbiter / Lander	SUCCESS: 1st lander on Mars
Viking 2		1975	Orbiter / Lander	SUCCESS: 2nd lander on Mars
Phobos 1		1988	Orbiter / Lander	FAILURE: Mars orbit insertion failure
Phobos 2		1988	Orbiter / Lander	FAILURE: reached Mars orbit, lost contact
Mars Observer		1990	Orbiter	FAILURE: Fuel line rupture on Mars insertion
Mars '96		1996	Orbiter / Landers / Penetrators / Rovers	FAILURE: Launch, crashed into the Pacific
Mars Pathfinder		1996	Lander / Rover	SUCCESS: 1st rover on Mars
Mars Global Surveyor		1996	Orbiter	SUCCESS: mapped Mars, ongoing mission
Nozomi		1998	Orbiter	FAILURE: Excessive propulsion use
Mars Climate Orbiter		1999	Orbiter	FAILURE: Engineering units error
Mars Polar Lander		1999	Lander / Penetrator	FAILURE: Mars landing error
Mars Odyssey		2001	Orbiter	SUCCESS: ongoing mission
Mars Express		2003	Orbiter	SUCCESS: ongoing mission
Beagle 2		2003	Lander	FAILURE: No Signal on Landing
MER-A Spirit		2003	Rover	SUCCESS: ongoing mission
MER-B Opportunity		2003	Rover	SUCCESS: ongoing mission
Reconnaissance Orbiter		2005	Orbiter	Planned future mission
Phoenix Scout Mission		2007	Lander	Planned future mission
Netlanders		2007	4 Rovers	Planned future mission
Phobos Sample Return		2007	Sample Return	Planned future mission
Mars Science Laboratory		2009	Lander	Planned future mission
Mars Sample Return		2011?	Sample Return	Planned future mission
US Manned Mission		2015?	Manned	No U.S. Plan of Record

Notes:

• Numerous undocumented/secret attempts were made to go to Mars by the Soviet Union in the 1960-1969 timeframe. None were successful.
• Some missions marked as Failure on this table (such as Mars 5 and Phobos 2) could be considered partial successes as they returned data and images.
• All planned future missions may be changed or cancelled - we will update this table when necessary

Related Links:

NSSDC Spacecraft Query
Type "mars" into this form for more background info on these missions.