Which if these terms that have evolved over the years for the same condition that happens to you after enduring combat do you like best?

Inspired by this famous bit from George Carlin

Shell shock
Battle Fatigue
Operational Exhaustion
Post Traumatic Stress Disorder
Select gender and age to cast your vote:
Which if these terms that have evolved over the years for the same condition that happens to you after enduring combat do you like best?
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