Answer:
See explanation for answer.
Step-by-step explanation:
While both affect you mentally for the most part PTSD is more of a past trauma kind of thing whereas if you have moral injury something that may have only happened a couple of times really messed with your personal beliefs and mind. I think it means it kind of broke you whereas PTSD haunts you.
I hope this helps!
P.S. This was a really hard one for me to answer on an emotional level.