Hybrid media briefing: Canada's role in the SWOT mission. From: Canadian Space Agency Media advisory. On December 15 at 6:46 a.m. ET, the Surface Water and Ocean Topography (SWOT) mission is set to launch on a SpaceX Falcon 9 rocket from Vandenberg Space Force Base in California. Media representatives can watch live coverage of the launch on NASA TV starting at 6:00 a.m. ET. Longueuil , Quebec, December 12, 2022?— On December 15 at 6:46?a.m. ET, the Surface Water and Ocean Topogra...