Resilience is a survival skill in its own way. From The Telegraph:
A scheme to build the emotional resilience of American soldiers has been established as rates of suicide and depression rise.
Commanders have introduced the $117m initiative to help troops handle their stress before it becomes debilitating and leads to mental illness.
From October 1 all active-duty, reserve and National Guard soldiers will be required to take a “resiliency” test to assess their emotional, spiritual and physical state.
Read more ....
My Comment: This is an improvement from what was being done before .... which appears to not have been enough.