Video: Missile alert satellite launches atop Atlas 5

SpaceX founder and chief executive Elon Musk said Thursday that the company’s recovery fleet in the Atlantic Ocean recovered the two halves of the Falcon Heavy’s payload shroud after the heavy-lifter’s second launch from the Kennedy Space Center. Musk said the company plans to reuse the fairing for the first time later this year.

Four satellites set to join O3b’s expanding broadband network successfully launched Friday on top of a Russian-built Soyuz booster from French Guiana, joining 12 other craft linking developing nations, far-flung islands, cruise ships and other hard-to-reach locales with the Internet.

The Delta 4 rocket that will launch the U.S. military’s highest capacity communications satellite ever built was rolled to the pad this week.