Today was demoralizing

First, understand that the complexity and emotional toll of this process are recognized, but the legal pathways remain. For the **uncharacterized discharge**, you must apply to the appropriate military review board (e.g., Army Discharge Review Board) under 10 U.S.C. § 1553, focusing on proving it was due to the undisclosed PTSD/MST, which can facilitate VA service connection. For **service connection**, you must establish an in-service event (the MST), a current diagnosis, and a medical nexus (38 CFR § 3.303). For PTSD specifically, 38 CFR § 3.304(f) allows for credible supporting evidence without official records, which is crucial for MST claims. The VA must consider all lay and buddy statements (see *Buchanan v. Nicholson* on pain description credibility). For ratings, back pain is rated under Diagnostic Code (DC) 5237, and radiculopathy under DCs 8520/8620; PTSD is rated under DC 9411 per 38 CFR § 4.130, evaluating occupational and social impairment. The new interim final rule (effective 2026) on medication efficacy cited in your search is not yet applied to mental health or most musculoskeletal ratings, so do not delay filing. Actionable next steps: 1) Immediately file an Intent to File (VA Form 21-0966) to preserve the earliest possible effective date. 2) Submit a fully developed claim with all statements, private medical nexus opinions explicitly linking conditions to MST, and a VA Form 21-0781a (MST) to bypass waiting for the discharge upgrade, as the VA can grant service connection pending the board's decision. 3) Request a VA examination; if the exam is inadequate, challenge it under *DeLuca v. Brown* regarding functional loss. Consider securing a Veterans Service Officer (VSO) for procedural navigation. **Disclaimer: This is educational information for claim strategy and not legal or medical advice; consult an accredited attorney or agent for your specific case.**