The Ariane 5 rocket is expected to launch from the French Guiana space centre on Saturday after experiencing fresh delays due to strong winds. The European-built launcher was initially meant to fly into orbit in July.
Saturday will be the fourth take-off attempt by the European-built launcher in two weeks.
The Ariane 5 rocket was initially scheduled to ride into orbit in July but a series of technical faults, including a suspect sensor on the vehicle's hydrogen tank prompted officials to cancel the attempts.
On Friday, ground crews were again forced to roll the 54.8-metre-tall rocket back to its launch pad after encountering unfavourable upper level winds.
The new launch window will open Saturday at 6:33pm French Guiana time (21:33 GMT).
The Ariane 5 rocket will carry three US-built satellites into geostationary transfer orbit, an elliptical transfer loop around Earth, on the way to final positions more than 36,000 kilometres above the equator.
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