For that reason, he has encouraged recent classes to do something similar.
In one recent class, she brought up the subject of ethics, and asked if there was anything her students would refuse to light.
The most recent class to achieve this was the class of 2011.
The results can be seen in the academy's two recent classes, which have a slightly increased proportion of black men.
A recent class of some 325 students scattered to more than 100 different colleges.
In a recent class, the three boys and one girl present did not want to take time out to answer a reporter's questions.
"Asking people for something is one thing," he said in an interview after a recent class.
At a recent class the students were learning about laws.
The most recent class (2012) consisted of 54 graduating students.
Many of them know graduates from recent classes who have served in Afghanistan.