Lander Mission
Landers aim to land on the surface of interest. (ESA, 2019; National Aeronautics and Space Administration, 2019)
Sources
"Missions to Mars". Robotic Exploration of Mars, ESA. Last modified Feburary 21, 2019.
http://exploration.esa.int/mars/56504-missions-to-mars/.
Accessed February 21, 2019.
"Mission Types". NASA Mars Exploration, National Aeronautics and Space Administration. 2019.
https://mars.nasa.gov/programmissions/missions/missiontypes/.
Accessed February 21, 2019.