Fourth time's the charm for space station cargo launch

After three back-to-back weather delays, a United Launch Alliance Atlas 5 rocket finally boosted an Orbital ATK Cygnus cargo ship into orbit Sunday on a flight to deliver nearly 4,700 pounds of critical supplies and equipment to the International Space Station. The Atlas 5's powerful Russian-built RD-180 engine ignited with a rush of brilliant exhaust at 4:44:57 p.m. EST (GMT-5), throttled up to full power and majestically pushed the 19-story-tall rocket away from pad 41 at the Cape Canaveral Air Force Station. More

(Source: CBS News - Dec 8)