A Camp Pendelton Marine sergeant was caught on video throwing an extremely violent fit of road rage after he was rear-ended, while two passengers somehow managed to stay calm. The woman in the passenger seat - a wounded Marine, paralyzed from the waist down - filmed the incident of the road rage incident from inside the truck driven by her brother on base.

The driver, 19-year-old Michael McCurdy-Quintana, is not only the wounded marine's brother, but also her caregiver. You can see the unidentified Marine sergeant yelling profanity and numerous other obscenities; even kicking the truck repeatedly at times in scary video footage that has now gone viral.

As to why the Marine sergeant was so violent, McCurdy-Quintana said the Marine cut him off, and then repeatedly slammed on his brakes once he was in front of him, which caused  a collision. He also told Inside Edition why he remained inside his truck, and how he managed to stay calm during the explosive threats being hurled his way.

I was prepared to get out and confront the man, but as soon as he said, "I am going to (blank)ing kill you," I immediately locked the doors," he told Inside Edition. "I guess I just went into the "nothing zone." I just listened to the music and blocked him out and just kept staring.

Camp Pendelton officials say the Marine sergeant, a Purple Heart recipient, was detained and cited for communicating a threat. They also added that his behavior "does not meet the standards that are expected" of Marines and the incident has "received the attention of senior base staff."

Online, friends of the Marine sergeant have come to his defense, saying that he suffers from Post-Traumatic Stress Disorder (PTSD).

Warning: Extremely Violent Video With NSFW Language That May Be Offensive

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