Wars often begin with enthusiastic vigor but typically settle into costly, dirty business characterized for soldiers by fear, frustration, and loneliness.

The number of people in America killed by firearms is extraordinary compared to other nations, and I don't think we're a bloodthirsty country. We need to look at everything we can do to safeguard our people.

I spent a career carrying typically either an M16 or an M4 Carbine. An M4 Carbine fires a .223 caliber round, which is 5.56 mm at about 3000 feet per second.

Stanley A. McChrystal Quotes