Weapons development refers to the process of designing, creating, and improving various types of armaments used in military and defense applications. This includes firearms, explosives, missiles, and other technologies aimed at enhancing a nation's security and combat capabilities. The development often involves research, testing, and evaluation to ensure effectiveness and safety. Governments and private companies typically engage in weapons development, often collaborating with scientists and engineers. The process is influenced by factors such as technological advancements, strategic needs, and international regulations. Notable examples include the development of nuclear weapons and guided missiles, which have significantly changed modern warfare.