SpaceX 's Dragon successfully returns from fourth ISS resupply mission . 2018 : Mission carried critical research for human space exploration . Dragon was expected to be hauled to a port near Los Angeles where some of the cargo would be removed almost immediately , the space agency said , while the rest of the research aboard the rocket will return to SpaceX 's facility at McGregor , Texas , for further processing . Dragon uses 3-D printer and device to study Earth 's ocean winds . Next mission to come before year 's end .
SpaceX 's Dragon successfully returns from fourth ISS resupply mission . 2018 : Mission carried critical research for human space exploration . Dragon uses 3-D printer and device to study Earth 's ocean winds . Next mission to come before year 's end .