Mars Rovers - DHS - T 4 - STEM By KrishTT Dec 4, 1996 Sojourner (Mars Pathfinder): Launch Jul 4, 1997 Sojourner (Mars Pathfinder): Arival Jun 10, 2003 Spirit (Mars Exploration Rover - A): Launch Jul 7, 2003 Opportunity (Mars Exploration Rover - B): Launch Jan 4, 2004 Spirit (Mars Exploration Rover - A): Arrival Jan 25, 2005 Opportunity (Mars Exploration Rover - B): Arrival Aug 6, 2011 Curiosity (Mars Science Laboratory): Arrival Nov 26, 2012 Curiosity (Mars Science Laboratory): Arrival Feb 18, 2021 Perseverance (Mars 2020 Rover): Arrival Jul 30, 2021 Perseverance (Mars 2020 Rover): Launch