Exploration of Mars failed upon impact. Mars 4 flew by the planet at a range of 2200 km returning one swath of pictures and radio occultation data, which constituted the first detection of the nightside ionosphere on Mars. Mars 7 probe separated prematurely from the carrying vehicle due to a problem in the operation of one of the onboard systems (attitude control or retro-rockets) and missed the planet by . In 1964, NASA's Jet Propulsion Laboratory made two attempts at reaching Mars. Mariner 3 and Mariner 4 were identical spacecraft designed to carry out the first flybys of Mars. Mariner 3 was launched
Hope Mars Mission Sharaf, who acts as the Project Manager and is responsible for managing and supporting the ongoing tasks related to the Emirates Mars Mission. Sarah Amiri is the Deputy Project Manager and the Lead Science Investigator, who leads the team in developing the mission's objectives and aligning programmes related to instrumentation of the "Hope" probe. The mission has been referred to as having the potential to make a long-lasting contribution to the economy of the United Arab Emirates. Hope Mars Mission The Hope Mars Mission () also called Emirates Mars Mission, is a space exploration probe mission to Mars built by