He also served as a former U.S. Navy Reserve lieutenant who worked with river warfare units and a mobile inshore undersea warfare unit, according to Pentagon records obtained by CNN.

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Dorner is a former U.S. Navy Reserve lieutenant who worked with river warfare units and a mobile inshore undersea warfare unit, among other assignments, according to Pentagon records obtained by CNN.

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When you get to the crest of the bridge over the Thames River, you can see the center of global innovation in undersea warfare a mile down-river to your right, the Electric Boat division of General Dynamics.

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He was assigned to a naval undersea warfare unit and various aviation training units, according to military records, and took a leave from the LAPD and deployed to Bahrain in 2006 and 2007.

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He was assigned to a naval undersea warfare unit and various aviation training units, according to military records.

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Dorner retired on February 1 as a lieutenant, having worked with mobile inshore undersea warfare units and having provided security on oil platforms in Iraq, according to Pentagon records.

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