General Dynamics executives this week reported a profitable third quarter that was largely unimpeded by supply chain challenges and shipyard labor shortages. At $2.8 billion, the company’s marine systems revenue is up 5% year over year and is distributed evenly between the company’s submarine and shipbuilding wings -- General Dynamics Electric Boat and NASSCO. During the company’s quarterly earnings call on Wednesday, CEO Phebe Novakovic told investors that the first Columbia-class submarine, the Navy’s top acquisition priority, is 25% complete...