- He enlisted in the Marine Corps on Aug. 23, 2010.
- Mario graduated from Canoga Park High School in June of 2010.
- A memorial was held at Canoga Park High School on Veteran's Day, November 11, 2011, by graduates, teachers, friends and family.
- He was awarded the National Defense Service Medal.
- He died as Lance Cpl. Mario Arias, Jr. He was murdered in November 6, 2011 by his roommate in the barracks at Camp Pendleton, San Diego, California.
- Florida (January 2011)
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