The NASA's Space Launch System (SLS) usable for both, crew and cargo, is heavily based on developments for the NASA Constellation Program (CxP)'s human-rated Ares I & exclusively cargo-lifting Ares V launch vehicles. Artemis missions will reestablish human presence on the Moon and pave the way for targetting Mars. The first one, the uncrewed Moon-orbiting mission Artemis I NASA's Artemis I, formerly Exploration Mission-1 (EM-1), served as the first integrated flight test of NASA's Orion Multi-Purpose Crew Vehicle (MPCV) spacecraft and NASA's Space Launch System (SLS).