MOSCOW - A Soyuz space carrier with six US Globalstar-2 F1 communication satellites blasted off Wednesday from the Baikonur space center in Kazakhstan, a spokesman from Russian Space Agency Roscosmos said.

The launch, initially scheduled for Monday, was postponed twice till Wednesday due to technical reasons during the preparation.

The Globalstar satellite is a low Earth orbit satellite constellation, which provides high quality satellite phone service and low-speed data communications for over 100 countries worldwide.