The necessity of Intelligent Autonomous Systems (IAS) lies in the potential for these systems to improve efficiency, accuracy, and safety in a wide range of applications. By enabling machines to operate independently, IAS reduces the need for human intervention and supervision, thereby saving time and resources. These systems can process vast amounts of data quickly and make decisions based on that data, allowing for faster, more accurate decision-making. Additionally, IAS can be used in applications where human intervention may be difficult or dangerous, such as space exploration or disaster response. In such scenarios, IAS can operate in place of humans, reducing the risks associated with human involvement. Overall, the necessity of IAS lies in the potential to improve efficiency, accuracy, and safety while reducing the need for human intervention, ultimately enhancing the quality of life for people around the world.