Arms manufacturing refers to the production of weapons and military equipment, including firearms, ammunition, and vehicles. This industry plays a crucial role in national defense and security, supplying armed forces and law enforcement agencies with the tools needed to protect citizens and maintain order. The process involves various stages, from research and development to assembly and quality control. Major players in this field include companies like Lockheed Martin, BAE Systems, and Northrop Grumman, which design and produce advanced military technologies. Arms manufacturing is often subject to strict regulations and international treaties to prevent misuse and promote global stability.