General Dynamics executives recorded a "good year in a difficult environment," with record growth in the company's Marine Systems sector, but said labor and supply chain problems remain a significant challenge for submarine production. During the company’s fourth-quarter earnings call on Wednesday, CEO Phebe Novakovic said revenue growth in General Dynamics’ marine systems business is expected to remain flat in 2023 due to “supply chain constraints” in the Virginia-class submarine program, with a return to growth anticipated in 2024 and...