Photos: Atlas 5 rocket aims for International Space Station

Russia launched an unpiloted Progress cargo freighter Sunday from Kazakhstan, on course to deliver 2.7 tons of food, fuel, water, and supplies to the International Space Station before hauling away a no-longer-needed section of the outpost later this year to clear the way for a new laboratory module.

The fifth and final satellite for the U.S. Navy’s new mobile network to provide rugged smartphone communications to all branches of the military has arrived at the launch site for blastoff in May.

When SpaceX’s Falcon Heavy rocket finally takes off for the first time, a debut now scheduled this fall, there’s a good chance the commercial heavy-lifter will falter short of reaching orbit, company founder and chief designer Elon Musk said last week.