Shortly after eleven o’clock on the night of May 1st, two MH-60 Black Hawk helicopters lifted off from Jalalabad Air Field, in eastern Afghanistan, and embarked on a covert mission into Pakistan to kill Osama bin Laden. Inside the aircraft were twenty-three Navy SEALs from Team Six, which is officially known as the Naval Special Warfare Development Group, or DEVGRU. A Pakistani-American translator, whom I will call Ahmed, and a dog named Cairo—a Belgian Malinois—were also aboard. It was a moonless evening, and the helicopters’ pilots, wearing night-vision goggles, flew without lights over