Engines of war are tools or weapons that are used in warfare. There are various synonyms for this term, including military hardware, weaponry, instruments of war, war machines, and combat systems. These terms refer to the diverse weapons and equipment used by the military forces to achieve their objectives in times of armed conflict. These weapons and tools can either be weapons of mass destruction, such as missiles and nuclear bombs or conventional armaments like tanks, artillery, and firearms. In modern warfare, technology has played an integral role in the development and design of weaponry, making the engines of war more effective and deadly.