NASA Wallops Flight Facility Site Director Bill Wrobel has granted Authority to Proceed (ATP) for the Wednesday, Sept. 18, launch of a demonstration mission to the International Space Station. Orbital is targeting a 10:50 a.m. EDT launch. The demonstration flight to the International Space Station will deliver about 1,300 pounds of cargo, including food and clothing, to the Expedition 37 crew. › NASA's Antares Flickr Set