Long time reader, first time poster. I have been listening to my students discuss a show on TV called "Deadliest Warrior." If you are unfamiliar with this show, they match different warriors against each other using a computer combat simulation program. For instance, they have pitted a Viking against a Samurai and other matchups. My post was inspired by watching the Ninja fight a Spartan. Suppose the Imperial Japanese Army had trained special units to use the tactics of the ninja and used them during WWII, like infiltration tactics and guerilla warfare tactics. I don't suppose that these units would have been war winners, but what effect might they have had on some of the battles fought during the war in the Pacific? Also, how might you envision their usage or what roles do you think that they would have played?