Landing Zone 4

These photos show the June 12 launch of a SpaceX Falcon 9 rocket from Vandenberg Air Force Base in California with three Earth-observing satellites for Canada’s Radarsat Constellation Mission.

A SpaceX Falcon 9 rocket fired through a dense shroud of coastal fog and climbed into orbit Wednesday from Vandenberg Air Force Base in California, deploying a trio of radar observation satellites to begin a $900 million mission surveying the Arctic, maritime waters, forests and farmland for the Canadian government.

Canada’s three new Radarsat Earth observation satellites were encapsulated inside the payload fairing of SpaceX’s Falcon 9 rocket ahead of their liftoff from Vandenberg Air Force Base in California.

These photos show SpaceX’s Falcon 9 rocket, with a previously-flown first stage booster, sitting on its launch pad Tuesday at Vandenberg Air Force Base in California ahead of the scheduled liftoff of the Radarsat Constellation Mission.

SpaceX teams working at Vandenberg Air Force Base in California were finalizing preparations Tuesday ahead of the launch of a Falcon 9 rocket Wednesday carrying a trio of Canadian-built radar observation satellites into orbit.