NASA launches SpaceX Falcon 9 rocket

In this photo provided by NASA, a SpaceX Falcon 9 rocket with a pair of U.S.-German science satellites and five commercial communications satellites takes off from Space Launch Complex 4E at Vandenberg Air Force Base in California on Tuesday, May 22, 2018. The science payload from NASA and the German Centre for Geosciences included two identical satellites for the agencies' Gravity Recovery and Climate Experiment-Follow On mission, continuing the work of two predecessor spacecraft that spanned 15 years ending last October. [Photo: NASA via AP]