Northrop-Grumman said the decision was a necessity . Northrop Grumman will close New Orleans shipbuilding yard in 2013 . Louisiana Gov . Bobby Blanco trying to keep New Orleans yard open . Company 's Aviation Division will be consolidated in Jackson , Mississippi .
Northrop Grumman will close New Orleans shipbuilding yard in 2013 . Louisiana Gov . Bobby Blanco trying to keep New Orleans yard open . Company 's Aviation Division will be consolidated in Jackson , Mississippi .