Launches from Cape Canaveral typically head east to give satellites extra momentum from the rotation of the Earth as they head to other planets or into an equatorial orbit. Vandenberg Air Force Base is the primary U.S. launch site from which satellites are sent into polar orbits. Commercial and military spacecraft like imaging and weather satellites need to be launched southward on a path to reach a polar orbit to cover the entire globe. ULA's Atlas V rocket launched NASA's InSight mission to Mars from the West Coast in 2018, the first interplanetary mission to do so.