Live coverage: Vega rocket deploys second Sentinel satellite

The U.S. military’s next GPS navigation satellite was ready for launch from Cape Canaveral at 9:43 p.m. EDT Friday (0143 GMT Saturday) aboard a SpaceX Falcon 9 rocket. But SpaceX aborted the countdown just two seconds prior to liftoff.

A Russian-built Soyuz rocket launched Tuesday from the Guiana Space Center on the northeastern coast of South America, boosting Europe’s MetOp-C satellite into orbit to benefit weather forecasters worldwide and closing out a generation of weather-observing technology.

Europe’s MetOp-C weather satellite launched aboard a Russian-built Soyuz rocket toward polar orbit Tuesday night from French Guiana, joining an international fleet of meteorological observatories critical for global weather forecasting. Liftoff occurred at 7:47 p.m. EST Tuesday (0047 GMT Wednesday).