2018 U.S. news in pictures from A to Z

X FOR SPACEX

A SpaceX Falcon 9 rocket lights up the sky over Los Angeles, California, the United States, on Oct. 7, 2018. U.S. private spaceflight company SpaceX launched an Argentine Earth-observing satellite on a Falcon 9 rocket from Vandenberg Air Force Base in California on Sunday. (Xinhua/Li Ying)