For the third time, gusting winds forced NASA to postpone the launch of Atlas V, a rocket loaded with supplies bound for the International Space Station.

CAPE CANAVERAL, Fla. — Gusting winds forced the postponement Saturday of the planned launch of a rocket loaded with supplies bound for the International Space Station.

The launch of the Atlas V rocket and Cygnus spacecraft is now targeted for 4:44 p.m. ET Sunday, the opening of a 30-minute window at Cape Canaveral Air Force Station’s Launch Complex 41.

The forecast calls for a 40% chance of favorable weather.

Weather scrubbed the mission’s first two launch attempts on Thursday and Friday. Saturday’s countdown was called off before fueling of the rocket began.

Rain and thick clouds scrubbed the NASA resupply mission’s first launch attempt on Thursday.

Conditions looked better Friday, but strong wind gusts thwarted three separate tries to get the rocket off the ground, each time halting the countdown with less than four minutes to go.

“The cargo is safe, the vehicle is safe, and we’re ready to try again another day,” said Vern Thorp, United Launch Alliance’s program manager for NASA missions.

The mission is Orbital ATK’s fourth under a NASA resupply contract worth more than $2 billion, and the company’s first since a failed launch from Virginia on an Antares rocket in October 2014.

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