Photos: Falcon 9 launch from Press Site

Russian officials could complete their investigation of a rocket failure Tuesday by mid-December, and multiple Russian news reports suggest the probe has narrowed to focus on the guidance computer on the Soyuz launcher’s Fregat upper stage.

Making its second launch in just six days, a United Launch Alliance Atlas 5 rocket flight blasted off Thursday from Vandenberg Air Force Base in California.

Flying with a reused first stage booster, a SpaceX Falcon 9 rocket climbed into orbit from Florida’s Space Coast early Monday with a commercial communications satellite for the Luxembourg-based operator SES.