The countdown is progressing smoothly today for the launch of Orbital Sciences Corporation's Antares rocket, with the Cygnus cargo spacecraft on top. Weather remains 90 percent “go.” Liftoff is scheduled for 12:52 p.m. EDT from the Mid-Atlantic Spaceport's Pad 0A at NASA's Wallops Flight Facility in Virginia. There is a five minute window for launch. Live coverage of the launch on NASA TV will begin at noon at: nasa.gov/ntv Cygnus is loaded with approximately 3,300 pounds of science investigations, food, supplies and hardware for the space station and its crew. Image credit: NASA/Aubrey Gemignani #orb2 #antares #cygnus #orbitalsciences #nasa #space #rocket #launch #rocketlaunch