This book provides a holistic view of the key technologies that are expected to revolutionise military affairs in the near future and change the nature of warfare tactics and the very concept of the 'battlefield'. It addresses five key technologies--near-space technology, robotics, directed energy weapons, nanotechnology and biotechnology--and explains why they are being considered for military applicability worldwide. It highlights how they would contribute to the future warfare tactics and defence mechanisms of various countries. In addition, it also discusses the possible military utility of.