Depression and often another mental health issue like PTSD, as well as alcohol, are the most common things that trigger the increase in risk for suicide, as well as a history of having made a previous attempt. Those would be the most common and the most important risk factors.
Life stressors, whether they are work-related or home-related, and especially financial stress, have all been shown to increase the risk as well. Specifically in the military and with veterans, that transition to civilian life and that sense of identity after leaving the military—who am I, and how is that impacting my social life as well as my family?—often become very important components.
We know that specifically deployment-related experiences that are traumatic have been shown to trigger PTSD and trigger depression. Legal issues in the military, if somebody's had those, can also trigger suicidal behaviour. The important thing is that the vast majority of people do not die by suicide when they have depression or anxiety; there's usually a culmination of all of those things together.
As you mentioned, often the military member, if they require admission to a hospital, has to go into the provincial civilian hospital, and that transition out is a high-risk period for everyone who is admitted. The panel recommended looking at those key time points during crisis when things have built up and then looking at some of the means-restriction processes for which there is the strongest evidence—for example, not having access to a firearm during the crisis or not having access to a number of different medications.