What risk factors for the development of PTSD can you identify for the military personnel profiled in the film?

Reflect on the film and apply what you have learned from Chapter 5 in responding to the following prompts.
What do you imagine these military personnel are feeling? Thinking?
What risk factors for the development of PTSD can you identify for the military personnel profiled in the film?
What efforts do you see by the military, as well as by the individuals themselves, to "buffer/ protect" them from the impact of trauma?
Why might some of these military personnel develop PTSD while others do not develop PTSD?
Comment about how the film impacted you as a viewer.