Watch a Delta IV rocket send a military communication satellite into space tonight

Today, the United Launch Alliance is set to launch one of its Delta IV rockets — the bigger sibling to the company’s more prolific Atlas V. The vehicle is tasked with carrying a communication satellite into a super high orbit for the US Air Force.The Boeing-built satellite is the eighth of the military’s Wideband Global SATCOM constellation — a series of probes that together provide extremely high-bandwidth communication. In order to provide this capability, today’s