My uncle fought in Vietnam, and he lost a leg because of a land mine. He's been receiving ongoing treatment and rehab at a VA hospital, but it wasn't always easy to get. He had to prove that the injury happened during his second tour of duty, which would have included the 24th month necessary for VA medical benefits.
It took a while to prove his claim, but once he was accepted into the program, the VA did provide things like a prosthetic limb and physical therapy. I only wish he could have received a little more mental health therapy along the way. He still has nightmares, and I'd say PTSD. The military's view on mental health issues has changed considerably in the last few years, so now more veterans are being encouraged to get psychiatric and psychological treatments at VA hospitals.