SpaceX is targeting Wednesday, June 12 for launch of RADARSAT Constellation Mission from Space Launch Complex 4E (SLC-4E) at Vandenberg Air Force Base in California. The primary launch window opens at 7:17 a.m. PDT, or 14:17 UTC, and closes at 7:30 a.m. PDT, or 14:30 UTC. The satellites will begin deployment approximately 54 minutes after launch. A backup launch window opens on Thursday, June 13 at 7:17 a.m. PDT, or 14:17 UTC, and closes at 7:30 a.m. PDT, or 14:30 UTC.
Falcon 9’s first stage for launch of RADARSAT Constellation Mission previously supported Crew Dragon’s first demonstration mission in March 2019. Following stage separation, Falcon 9’s first stage will return to land on SpaceX’s Landing Zone 4 (LZ-4) at Vandenberg Air Force Base.

The RADARSAT Constellation Mission (RCM) is the evolution of the RADARSAT Program and builds on Canada’s expertise and leadership in Earth observation from space. It consists of three identical C-band Synthetic Aperture Radar (SAR) Earth observation satellites.
Built by MDA, a Maxar company, the three-satellite configuration of the RCM will provide daily revisits of Canada’s vast territory and maritime approaches, including the Arctic up to 4 times a day, as well as daily access to any point of 90% of the world’s surface.
The RCM will support the Government of Canada in delivering responsive and cost-effective services to meet Canadian needs in areas like maritime surveillance, ecosystem and climate change monitoring, and helping disaster relief efforts. For example:
- The RCM will help create precise sea ice maps of Canada’s oceans and the Great Lakes to facilitate navigation and commercial maritime transportation. Each satellite also carries an Automatic Identification System receiver, allowing improved detection and tracking of vessels of interest.
- The highly accurate data collected by RCM will enable farmers to maximize crop yields while reducing energy consumption and the use of potential pollutants.
- Like RADARSAT-2, the RCM will support relief efforts by providing images of areas affected by disasters to help organize emergency response efforts and protect the local population.”

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