Complex sentence: According to a May 2013 report by Frankfurter Allgemeine Zeitung the Euro Hawk is uncertifiable by ICAO rules and therefore cannot be operated in Europe or any other ICAO member airspace.
Split into simpler sentences: According to a May 2013 report by Frankfurter Allgemeine Zeitung, the EuroHawk is not certifiable by ICAO rules. So it cannot be operated in Europe or any other ICAO member airspace.