Complex sentence: Suspecting Cummings of treachery, Gannon makes a cautious landing in Alaska, and narrowly escaping an assassination attempt by his "doctor", he meets Orbit in the hangar where EDI is kept.
Split into simpler sentences: Suspecting Cummings of treachery, Gannon makes a cautious landing in Alaska. Gannon narrowly escapes an assassination attempt by his "doctor", and then meets Orbit in the hangar where EDI is kept.