https://www.va.gov/health/

From the page: 

Providing Health Care for Veterans

The Veterans Health Administration is America’s largest integrated health care system, providing care at 1,255 health care facilities, including 170 medical centers and 1,074 outpatient sites of care of varying complexity (VHA outpatient clinics), serving 9 million enrolled Veterans each year. Click here: https://www.va.gov/health/

https://www.ptsd.va.gov/

From the page:

We are the world's leading research and educational center of excellence on PTSD and traumatic stress.

PTSD is a mental health problem that some people develop after experiencing or witnessing a life-threatening event, like combat, a natural disaster, a car accident, or sexual assault. It's normal to have upsetting memories, feel on edge, or have trouble sleeping after this type of event. If symptoms last more than a few months, it may be PTSD. The good news is that there are effective treatments.

Click this link: https://www.ptsd.va.gov/