Helicopter units are specialized divisions within law enforcement or military organizations that utilize helicopters for various operations. These units are often involved in search and rescue missions, surveillance, and transportation of personnel or supplies. They provide aerial support, enhancing the effectiveness of ground operations. In addition to law enforcement, helicopter units are commonly used by emergency medical services (EMS) to quickly transport patients to hospitals. They can also assist in firefighting efforts by dropping water on wildfires or providing aerial reconnaissance. Overall, helicopter units play a crucial role in enhancing response capabilities in various situations.