Police arrested Brannan for the murder of Deputy Kyle Dinkheller.
Brannan pleaded not guilty by reason of insanity, claiming in part that he suffered from posttraumatic stress disorder (PTSD) stemming from his military service as a soldier in the Vietnam War.
The yard will produce around 40 ships annually in the first phase.
A history of success Damen has a well-established history in Vietnam and has been working with five shipyards for more than 12 years.
In the shootout, Dinkheller was armed with his semi-automatic service handgun, and Brannan had an M1 Carbine rifle. Despite this, Brannan fired the rifle, reloaded it, fired a lethal shot into Dinkheller's eye, and fled the scene in his Toyota truck.