"Spacecraft missions" refers to the journeys and activities carried out by spaceships or vehicles designed to explore outer space or other celestial bodies, like planets or moons. Full definition
The fourth parameter, needed to complete the interior model, will be obtained from future spacecraft missions. (solarviews.com)
Many will also provide opportunities for longer - duration robotic spacecraft missions. (sciencedaily.com)
The longevity of spacecraft missions examining the Red Planet has enabled detection and examination of changes on multiple time scales. (livescience.com)