I spent two tours in Vietnam 1st Marine Division Special Ops. sniper. Service 1966-1969. Last mission north of the DMZ, target high rank NVA officers prior to TET Offensive. Three other Marines killed, I hit two targets was chased by NVA for three days going south. Dropped from fatigue and sleep deprivation at LZ for pick up and extraction. Surrounded by advancing enemy, stood with pistol in my mouth to avoid capture, Army gunship came in low all guns auto, cleared the area. Arrived at medivac in state of psychosis due to sleep deprivation that passed with sleep PTSD came out of psychotic status. have never been able to sort this out. i had excellent psyc. care when i reached the States, achieved high success in the medical field with above average income. 15 hospital admissions for acute depression. 100% disability 1998 from social security(could not use VA-closed file). Current problem: Moderate Chronic Depression, and sever fatigue. any comments welcome.