John Larimer

Navy officials confirmed July 21 a Sailor was among those killed when a gunman opened fire July 20 in an Aurora, Colo. movie theater.

Petty Officer 3rd Class John Larimer, 27, of Crystal Lake, Ill., died from injuries sustained in the incident. One other Sailor was treated for injuries and released at the scene. Both Sailors were from a unit that belongs to U.S. Fleet Cyber Command/U.S. Tenth Fleet, located at Buckley Air Force Base, Colo.

"I am incredibly saddened by the loss of Petty Officer John Larimer - he was an outstanding shipmate," said Cmdr. Jeffrey Jakuboski, Larimer's commanding officer. "A valued member of our Navy team, he will be missed by all who knew him. My heart goes out to John's family, friends and loved ones, as well as to all victims of this horrible tragedy."

Larimer joined the Navy June 16, 2011 and was a cryptologic technician third class. He had been stationed in Aurora since October 2011.