The Air Force on Saturday successfully launched its 11th satellite in the Global Positioning System IIF series (GPS IIF-11).Launch took place at 12:13 p.m. EDT from Cape Canaveral Air Force Station, Fla., aboard a United Launch Alliance (ULA) Atlas V 401 configuration launch vehicle. Launch was originally scheduled for Oct. 30, but a leak discovered in a ground support equipment valve for the launch pad water suppression system pushed it back one day.GPS IIF-11 is the second to last in…