SpaceX trying again to launch rocket from historic moon pad

CAPE CANAVERAL, Fla.— SpaceX is taking another shot at launching a rocket from NASA's historic moon pad.As dawn broke Sunday over Florida's Kennedy Space Center, the unmanned Falcon rocket stood at Launch Complex 39A, poised to deliver supplies to the International Space Station. Liftoff is scheduled for 9:39 a.m.Watch live in the video player below or on the 10TV Facebook pageThis is the same pad where astronauts flew to the moon nearly a half-century ago, and hasn't been used since the s