*''Guidance System'': The ATACMS missile uses a combination of inertial navigation system (INS) and GPS guidance for accurate targeting. The Iskander missile employs an advanced guidance system, including inertial navigation, GLONASS (Russian satellite navigation system), and potentially other guidance technology. | *''Guidance System'': The ATACMS missile uses a combination of inertial navigation system (INS) and GPS guidance for accurate targeting. The Iskander missile employs an advanced guidance system, including inertial navigation, GLONASS (Russian satellite navigation system), and potentially other guidance technology. |