Aerospace engineering is a vast field of engineering which is concerned with the designing, construction, development of spacecrafts and aircrafts. It is divided into two major subfields namely, astronautical engineering and aeronautical engineering. This field is often referred to as rocket science. This book elucidates the concepts and innovative models around prospective developments with respect to aerospace engineering. It picks up individual branches and explains their need and contribution in the context of growth of this subject. The various sub-fields of aerospace engineering along with their technological progress that have future implications are glanced at in this text. As this field is emerging at a rapid pace, the contents of this textbook will help the readers understand the modern concepts and applications of the subject.