H-87 is a designation that can refer to various subjects, including military equipment, vehicles, or specific projects. In some contexts, it may refer to a type of aircraft or a model of a weapon system. The specifics can vary widely depending on the field of study or industry. In the context of aviation, H-87 could refer to a helicopter model or a specific variant used by military forces. These designations help categorize and identify different types of equipment, ensuring clarity in communication and operational planning within organizations like the U.S. Department of Defense or other military entities.