Northrop Grumman Ship Systems Avondale Operations knows the marine business -- all of it. This means building or repairing military vessels, automated cargo vessels, or the floating equipment for the inland and intracoastal waterways. Avondale Operations offers a complete repair yard in the Gulf South with 24-hour, one-stop service -- from propellers to electrical repairs to machining and drydocking. Let Northrop Grumman Ship Systems Avondale Operations diversification pay off for you!