The Air Force’s eighth Global Positioning System (GPS) IIF-series satellite (GPS IIF-8) signaled to controllers it is functioning properly about 3.5 hours after Wednesday’s launch, according to prime contractor Boeing [BA]. Successful liftoff took place at 1:21 p.m. EDT Wednesday from Cape Canaveral Air Force Station, Fla. United Launch Alliance (ULA) was the launch provider, using its Atlas V launch vehicle. The satellite is to enter full operational service during December. The next GPS IIF launch is expected during the…