Surface-to-surface missiles are weapons that are fired from one surface location to another and are used for a variety of purposes, ranging from military to scientific research. Some synonyms for surface-to-surface missiles include ground-to-ground missiles, land-to-land missiles, and terrestrial missiles. Additionally, other similar words that describe the capability and function of these missiles include ballistic missiles, cruise missiles, and tactical missiles. All of these terms describe missiles that are launched from a surface location and are intended to strike a target on the ground or on another surface. Whether for military or civilian use, surface-to-surface missiles remain an important tool for ensuring safety and achieving strategic objectives.