Complex sentence: Darack embedded, including flight time as a passenger in the cockpit, with the first MV-22 Osprey squadron, Marine Medium Tiltrotor Squadron 261, to deploy to combat in Afghanistan, and wrote about the experience and relevant aspects of the aircraft in combat there.
Split into simpler sentences: Darack embedded, including flight time as a passenger in the cockpit, with the first MV-22 Osprey squadron to deploy to combat in Afghanistan, Marine Medium Tiltrotor Squadron 261. He wrote about the experience and relevant aspects of the aircraft in combat there.