What is C-PTSD? Should I be concerned?

CPTSD is sadly not on the dsm-5 (yet, here's to fingers crossed) which makes it a lot more difficult to diagnose since not all therapist's will diagnose you for it. Childhood trauma could have given you cptsd. I'm not sure about your military experience and how that would tie in as i have never had military experience so I would suggest researching and posting on here (which obviously you've done) to understand this better. There's no such thing as a normal reaction trauma. There's definitely common reactions, but no normal reactions. Try not to dismiss your feelings, they are extremely valid and difficult to understand and process so don't let anyone stand in the way of your healing journey. I wish you the best of luck!

Example: I was initially diagnosed with medical trauma/medical PTSD. However once we dug further with the therapist is came up that the feelings of neglect, abuse, abandonment, helplessness that I was feeling in the hospital were the same I felt as a young teen when traumatic things happened in my family life...then more and more traumatic events kept happening which reinforced those feelings... So my diagnosis changed to complex PTSD because there are lots of traumas that I need to work on in EMDR. The way I was explained it by my therapist is that the recent trauma is only the tip of the iceberg

From what I understand, PTSD being related to one event causes symptoms that are related to the avoidance of that event, and may lead to flashbacks and having specific triggers. Maybe describing it like PTSD breaks down a part of the self would work. CPTSD involves the whole self being in breakdown, and symptoms involve to include negative self image, trouble in relationships, feeling on edge, large dissociative gaps in memory. Recent discourse in the medical community have started to link CPTSD with personality disorders and dissociative disorders due to the overlaps as well as the long-term types of abuse that results in those disorders. I think your case is definitely plausible. Try to analyze whether the training impacted your relationships and your view of self. Do you have trouble regulating your emotions after this? Do you have dissociative gaps in events that occurred during the training? What do you think about the perpetrator(s) of the abuse? Remember that CPTSD is a relatively new concept, so nobody's gonna rag on you if you're wrong. There's a lot that we still don't know yet. Just because it's associated with childhood trauma usually doesn't mean that may always be the case.

If you can't do therapy you can get an app for cbt. It makes do in financally tough times.