"Depth bombs" are a type of explosive that are designed to detonate at a specific depth beneath water, typically used for anti-submarine warfare. Synonyms for this term might include "depth charges," "submarine bombs," or "anti-submarine explosives." These weapons have been used in maritime conflicts throughout history to target enemy vessels below the surface. While originally developed during World War I, depth bombs continue to be used by modern navies around the world. Other related terms might include "sonar devices," "magnetic detonators," or "underwater mines." Regardless of their name or function, these weapons have played a critical role in naval warfare for over a century.