In pursuits, which vehicles are normally necessary?

• A. two primary vehicles
• B. primary vehicle and two back-ups
• C. three back-up units
• D. primary vehicle only

Answer: (B)

In a pursuit, having adequate backup is essential for safety, coordination, and control. The main unit keeps the pursuit going, while two backup units provide the necessary support to monitor the chase, communicate with dispatch, and position themselves to intervene if the situation changes. This three-vehicle arrangement allows for better traffic management, risk assessment, and emergency response, without overloading resources or leaving the pursuer without help. A single vehicle lacks sufficient support; using only back-ups without a primary would reduce the ability to effectively pursue, and having too many back-ups or more than one primary adds unnecessary complexity and resource strain. The standard approach is a primary vehicle with two back-ups.