We are deeply indebted to the young men and women in the military who choose to serve and risk their lives for their country. All of us benefit from their sacrifices. Now, the question is: what motivates and incentivizes soldiers to risk their lives? Most armies would be finished if each soldier on the battlefield started to make a purely rational calculation of the costs and the benefits of risking his/her own life. So how can the commanders of an army motivate its soldiers to risk their lives for their country? In other words, what are the various devices that can motivate and incentivize soldiers to risk their lives for their country?