USA Network said Friday it has ordered a fifth season of its international spy drama series, \"Covert Affairs.\" The 16-episode season is to air next year. \"No other series on television travels the globe to tell a story like \'Covert Affairs,\' and we are pleased to bring it back for another season,\" Chris McCumber, president of USA Network, said in a statement. \"With its intricate storytelling, diverse characters and authentic locations, the series continues to be a cornerstone in our line-up of USA\'s original signature dramas.\" Season 4 is to wrap up Nov. 21. The show stars Piper Perabo as Annie Walker, a young CIA operative \"whose exceptional linguistic skills and killer instinct make her invaluable to the agency,\" a synopsis said.