The Subcommittee also noted past and upcoming missions investigating near-Earth objects , including : the Dawn , the Deep Impact and the Stardust spacecraft of the United States ; the Near Earth Object Surveillance Satellite of Canada ; and the Marco Polo near-Earth object sample return mission of ESA ; and the Hayabusa near-Earth object sample return mission of Japan . The Subcommittee also noted that a number of international projects and initiatives , such as the Panoramic Survey Telescope and Rapid Response System ( Pan-STARRS ) , the Large Millimeter Telescope , the Large Synoptic Survey Telescope and the Pulkovskaya Observatory , took advantage of potential dual-use facilities to advance detection and characterization capabilities .