A SpaceX Falcon 9 rocket carrying the SAOCOM 1A satellite launched from Vandenberg Air Force Base at 7:21 p.m. PDT. SpaceX completed the secondary mission of landing the first stage of the Falcon 9 rocket at Landing Zone 4, which was previously called SLC-4W, at Vandenberg Air Force Base. This was SpaceX's first land landing attempt at Vandenberg Air Force Base. (U.S. Air Force photo by Michael Peterson/Released)