A SpaceX Falcon 9 rocket launches the GPS III SV09 satellite for the U.S. Space Force on Jan. 27, 2026. (Image credit: SpaceX) SpaceX will launch a new GPS satellite for the U.S. Space Force early Tuesday morning (April 21), and you can watch the action live. A Falcon 9 rocket topped with the GPS III SV10 satellite is scheduled to lift off from Florida's Cape Canaveral Space Force Station on Tuesday, during a 15-minute window that opens at 2:53 a.m. EDT (0657 GMT). GPS III SV10 (short for "Space Vehicle 10") is the 10th and final satellite in the United States' advanced GPS III line. "GPS III satellites have a three-fold increase in positional accuracy and an eight-fold improvement in jam resistance compared to prior versions," Space Force officials said in a statement on Jan. 28 , just after GPS III SV09 rode a Falcon 9 to orbit . "These advanced features enable the constellation to provide an across-the-board boost in effectiveness and lethality to weapon systems in every theater," they added.…