Does 'By 9:08, the mission crew commander at NEADS learned of the second explosion at the World Trade Center and decided against holding the fighters in military airspace away from ' logically set the stage for the hypothesis 'The second explosion at the world trade center happened after 9:30am.'
By 9:08, the mission crew commander at NEADS learned of the second explosion at the World Trade Center and decided against holding the fighters in military airspace away from ###The second explosion at the world trade center happened after 9:30am.