Complex sentence: Upon reaching the satellite control room, Jean-Luc finds Cecile waiting for him, Cecile told to jean-Luc that he was too late, the satellite already fired twice destroying the Pentagon and White house.
Split into simpler sentences: Upon reaching the satellite control room, Jean-Luc finds Cecile waiting for him. Cecile tells Jean-Luc that he was too late, the satellite has already fired twice, destroying the Pentagon and White house.