D-MARS is a human analog mission to the planet Mars, taking place in Makhtesh Ramon in the Negev desert in Israel.
D-MARS is an acronym for "Desert Mars Analog Ramon Station" and its crew are known as "ramonauts".
[1] The mission site is a valley that resembles the impact craters of Mars.
[citation needed] Several missions have been carried out since the beginning of 2018, each staffed by six crew.
In 2021 the mission took place from 4 to 31 October and six astronauts from Austria, Germany, Israel, the Netherlands, Portugal and Spain took part in the mission with mutual cooperation of Austrian Space Forum and Israel Space Agency.