Inside the Five-Sided Box: Lessons from a Lifetime of Leadership in the Pentagon

The twenty-fifth Secretary of Defense takes readers behind the scenes to reveal the inner workings of the Pentagon, its vital mission, and what it takes to lead it.

The Pentagon is the headquarters of the single largest institution in America: the Department of Defense. The D.O.D. employs millions of Americans. It owns and operates more real estate, and spends more money, than any other entity. It manages the world’s largest and most complex information network and performs more R&D than A...