This review article delves into the progressive advancements in Combat Aircraft Probe and Drogue Aerial Refuelling Systems, with a primary focus on various refuelling methods and their suitability for combat applications. The ability to perform air-to-air refuelling is indispensable for both manned and unmanned military aircraft, as it enables them to achieve the necessary operational ranges for the envisioned Air Wing of the Future. The primary contention of this review is to establish the viable and advantageous option of refuelling methods currently available for combat applications, demonstrating its efficacy in enabling strategic combat missions, extending combat range, enhancing surveillance capabilities, and accommodating increased payload. The article explores the intricate details of Aerial Refuelling Probes, which are classified into various types based on their construction and operational characteristics. Furthermore, the autonomous aspects of flight refuelling systems, providing insights into the design and critical operating conditions are discussed. The standard experimental testing conditions are discussed to validate the performance and safety of these systems, shedding light on the technological advancements that have made aerial refuelling an indispensable force multiplier for combat aircraft. The purpose of this extensive review article aims to provide a comprehensive understanding of the state-of-the-art attention towards Combat Aircraft Probe and Drogue Aerial Refuelling Systems, offering insights into the latest developments, best practices, and emerging trends in this crucial field.