This is a list of spacecraft missions (including unsuccessful ones) to the planet Mars, such as orbiters, landers, and rovers.
[citation needed] There are a number of derelict spacecraft orbiting Mars whose location is not known precisely.
In Japan, the Institute of Space and Astronautical Science (ISAS) is developing a sample return mission to Phobos.
[53] MMX will build on the expertise the Japan Aerospace Exploration Agency (JAXA) would gain through the Hayabusa2 and SLIM missions.
[55] There have been at least three proposals in the United States Discovery Program, including PADME, PANDORA, and MERLIN.