Video: Progress launches and docks

Orbital ATK’s proposed rocket to answer the U.S. Air Force’s desire for two families of satellite launchers with U.S.-made propulsion systems will be named OmegA, and the company has selected the cryogenic Aerojet Rocketdyne RL10 engine to power the vehicle’s upper stage, officials announced this week.

Japan’s regional satellite navigation network, conceived to improve GPS coverage over Japanese territory, received its fourth member Monday with an on-target H-2A rocket launch.

SpaceX’s launch team loaded super-chilled liquid propellants into a two-stage Falcon 9 rocket Wednesday and fired the booster’s nine first stage engines at Cape Canaveral, marching toward liftoff Monday with a NASA observatory built to find planets around other stars in our galactic neighborhood.