Atlantis is to blast off at 11:26 a.m. Friday . The launch will be the first of a new generation of rockets that are designed for deep space missions and carry astronauts into orbit. It also will fly an experimental rig to test tools and techniques to robotically refuel satellites in space , according to the agency . Atlantis will deliver spare parts to space station .
Atlantis is to blast off at 11:26 a.m. Friday . The launch will be the first of a new generation of rockets that are designed for deep space missions and carry astronauts into orbit. Atlantis will deliver spare parts to space station .