For eight years Rick Rescorla made a Manhattan bank practice walking down the stairs. On September 11, 2001, they knew the way.

Twenty-five years ago, a president climbed onto a wrecked fire engine with a borrowed bullhorn and found his voice.

One chief held the lobby where the signals converged. Another climbed to see what was real. Calm information is a form of rescue.

John's tribute to the special operators who took down bin Laden: the best living definition of a team.