A SpaceX Falcon 9 launch from Vandenberg Air Force Base in California has been delayed until Wednesday, Feb. 21. The launch had been previously scheduled for Feb. 16 and Feb. 18. The primary payload is the Paz satellite for Hisdesat of Spain. The spacecraft will provide radar imaging as well as ship tracking and weather data. The flight will use a previously-flown first stage. Elon Musk’s company will also launch […]