Technology has always been used to produce improved tools of warfare. In the modern age, which is normally accepted to have begun after the French Revolution, systematic research in sciences has enabled development of new technology and innovations for both military and civilian use. These have had effects both on the society and the nature of warfare. European nations, besides waging wars among themselves, used their superior technology to subjugate and colonise other nations. The present age which is being referred to as post-modern age or knowledge age, is unfolding an unprecedented revolution in technologies. These technologies have not only touched myriad activities in the civil field but have also initiated a revolution in military affairs. Join us in an epic journey to examine the dominant trends in technologies and their impact on the conduct of land , air and sea warfare in this modern age.