Actuators form the core of thrust vector control systems, providing the essential mechanical movement needed to precisely direct the thrust. These actuators, encompassing hydraulic, electromechanical, and electrohydrostatic types, are categorized based on their operating mechanisms and power sources. Electronic control units (ECUs) are integral to the system's functionality, receiving critical data from various sensors—including pressure, temperature, and position sensors—to execute precise control commands and maintain system stability. Advanced ECUs are increasingly incorporating sophisticated algorithms for improved control precision and fault tolerance. The selection of actuators and ECUs depends greatly on the specific application requirements, such as size, weight, power consumption, and performance characteristics.