CAPE CANAVERAL — An Atlas V rocket stands ready at Cape Canaveral Air Force Station for a Tuesday morning blastoff of a Cygnus spacecraft destined for the International Space Station.

The 194-foot United Launch Alliance rocket, which rolled to the pad at Launch Complex 41 early Monday morning, is scheduled to launch at 11:11 a.m. ET. Weather is 90% "go" for the window that closes at 11:41 a.m.