Can one still be affected by PTSD 40, 50, 60 years after the event?

I’m not fishing for sympathy or kind words, thank you. I just want to discuss this issue.

Recently I applied for Veterans’Benefits, as the PACT act came into effect and qualified me for additional benefits related to my service in Vietnam. When I spoketo the Vet’s Service Officer, he mentioned some things in my service records that he thought were symptomatic of Post Traumatic Stress. As we discussed this, I found myself experiencing a very strong feelings and emotions. This surprised me. I thought I had dealt with all that decades ago!