The widening scandals involving Generals Petraeus and Allen have many taking a close look at today's military leaders.
In fact, concerns over the US military's leadership at all levels has been growing for some time.
That's because personal failings, and the fallout from those failings, can ripple through the ranks and cause a crisis of confidence.
At West Point, for example, the US Army has a leadership center which looks at these issues.
We speak with Martin L. Cook, who holds the Stockdale Chair in Professional Military Ethics at the US Naval War College in Newport, Rhode Island.
He's been looking at leadership issues in the Navy, and tells us how the so-called "Bathsheba Effect" may help explain recent military scandals.