Utilize the input text as a context reference, choose the right relationship between General Dynamics and shipbuilding from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

In Bath, shipbuilding has been a way of life since 1762, when the sailing ship Earl of Bute was launched, and the General Dynamics Bath Iron Works shipyard is located there now, according to the company.

Answer: industry