Events
Mars 1 (Sputnik 23)
Failed Mars flyby attempt (USSR)Marsnik 1 & 2
Failed Mars flyby attempt (USSR)Korabl 11 (Sputnik 22)
Failed Mars flyby attempt (USSR)Korabl 13 (Sputnik 24)
Failed Mars flyby attempt (USSR)Mariner 3
Failed Mars flyby attempt (NASA)Mariner 4
Successful Mars flyby (NASA)Zond 2
Failed Mars flyby and descent craft attempt (USSR)Mars 1969A
Failed Mars orbiter attempt (USSR)Mars 1969B
Failed Mars orbiter attempt (USSR)Mariner 8
Failed Mars flyby attempt (NASA)Kosmos 419
Failed Mars orbiter attempt (USSR)Mariner 9
Successful Mars orbiter (NASA)Mars 2Mars 3
Somewhat successful Mars orbiter and very briefly successful descent craft (USSR)Mars 4
Failed Mars orbiter attempt (successful as a flyby) (USSR)Mars 5
Initially successful Mars orbiter, failed after 22 daysMars 6
Slightly successful descent craft and flybyMars 7Viking 1
Successful orbiter & lander (NASA)Viking 2
Successful orbiter & lander (NASA)Phobos 1
Failed Mars orbiter (USSR)Phobos 2
Mostly failed Mars orbiter & 2 Phobos landersMars Observer
Failed Mars orbiter (NASA)Mars Global Surveyor
Highly successful orbiter (NASA)Mars 96
Failed Mars orbiter, lander, & 2 penetrators (Russian Space Agency)Mars Pathfinder & Sojourner
Successful Mars lander & rover (NASA)Mars Climate Orbiter
Failed Mars orbiter (NASA)Nozomi (Planet-B)
Failed Mars orbiter (ISAS)Mars Polar Lander
Failed Mars lander & 2 penetrators (NASA)Mars Exploration Rover Spirit
Successful Mars rover (NASA)Phoenix
Successful lander (NASA)Yinghuo-1
Failed Mars orbiter (China)Phobos-Soil (Phobos-Grunt)
Failed sample return mission to Phobos (Russia)Mars 2020
Future rover (NASA)InSight
Future lander (NASA)2001 Mars Odyssey
Currently in orbit at Mars (NASA)Mars Express and Beagle 2
Currently in orbit at Mars; failed lander (ESA)Mars Exploration Rover Opportunity
Currently roving across Mars (NASA)Mars Reconnaissance Orbiter
In orbit at Mars (NASA)Curiosity (Mars Science Laboratory) (MSL)
Mars rover (NASA)Mars Orbiter Mission (MOM)
Mars orbiter (ISRO)MAVEN
Mars orbiter (NASA)ExoMars Trace Gas Orbiter
Mars orbiter and lander (ESA)Periods
Mariner 6
Launch: February 24, 1969
Mars flyby: July 31, 1969 (NASA)
Mariner 7
Launch: March 27, 1969
Mars flyby: August 5, 1969 (NASA)ExoMars Rover
Future rover (ESA)
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