A Joke About Intelligent Disobedience

I am teaching a class at the Federal Executive Institute this week. A former military officer in the class told this joke:

An army general, an air force general, and a navy admiral are waging a bet as to whose personnel have more courage.

The army general orders a private to stand in front of a tank. The soldier stands there without moving as the tank rolls over and flattens him. The army general thought he would surely win the wager.

The admiral orders a sailor to jump into the rough sea...