I saw the movie a week ago. As movies go I would rate it pretty good. It did keep my interest and evoked some thoughts and emotions.
As far as an opinion regarding courage or cowardice, it seems to me anyone that serves and has to shoot or be shot has to have some measure of courage. There are those that meet the enemy face to face, thank "God" for them. And those behind front lines, thank "God" for them. What I gathered from the movie, reading, and discussions with informed friends, it takes a special set of skills to be a sniper. Not only do you have to have the marksmanship skills, you have to be decisive and have already made up your mind that you will kill a person in certain scenarios regardless of sex or age. It has been reported that Kyle killed more than 160 people. I would rather know how many lives he saved by using his skills.