The military released the names of the three Marines who died in a shooting last week at a base in Quantico Virginia.
Two of those involved, the alleged shooter and one of the victims, have been identified as Bay Area residents.
It was an apparent case of a double murder and then a suicide that involved a relationship dispute, possibly a love triangle.
One of the victims has been identified as Lance Cpl. Sara Castromata of Oakley.
Her mother and sister say the 19-year-old joined the Marines because she believed it was the toughest military branch and she was a tough girl.
Castromata served as a warehouse clerk. She joined the Marine Corps in December 2011, and was promoted to her current rank just last month.
Castromata graduated from high school with honors in 2011 and enlisted that same year so she could pay her own way through college, even though her father wanted to pay for it.
Military officials say Castromata was killed Thursday by 25-year-old Sgt. Eusebio Lopez, who also had Bay Area roots. Lopez was from Pacifica
Lopez also fatally shot 23-year-old Jacob Wooley, of Guntown, Miss., before killing himself.
Lopez was a tactics instructor at the Officer Candidates School and a machine-gunner. He joined the Marine Corps in May 2006 and has deployed in both Iraq and Afghanistan. (Photo below).
Lopez is alleged to have shot and killed Castromata and Corporal Jacob Wooley, 23, of Guntown, Mississippi.
The shooting occurred around 10:30 p.m. in Taylor Hall, a barracks at Officer Candidate School, Maxwell said.
Lopez is believed to have shot and killed Castromata and Wooley, and then killed himself by a self-inflicted gun wound.
A tribute video was posted over the weekend on YouTube in Castromata's honor.