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Anti-submarine Warfare Fighting the Invisible Enemy



Editor: Editors Sangram Singh Byce Rajni Kant Tewari

Anti-submarine Warfare Fighting the Invisible EnemyAnti-submarine Warfare Fighting the Invisible Enemy Editors Sangram Singh Byce Rajni Kant Tewari Authors Sangram Singh Byce Flag Officer Commanding-in-Chief Western Naval Command, Indian Navy, Mumbai Rajni Kant Tewari Formerly Scientific Adviser to Chief of the Naval Staff, Indian Navy Professor, Department of Electronics and Communication Engineering Maharaja Surajmal Institute of Technology Guru Gobind Singh, Indraprastha UniversityAbout the BookThe deterrent effect of the very presence of a submarine makes it an attractive first choice for navies around the world. This in turn complicates the task of modern surface fleets and restricts the otherwise unhindered naval operations of extra-regional sea powers in their areas of interest.The burgeoning inventory of submarines with littoral navies merits a closer look at the existing Anti-submarine Warfare (ASW) scenario.The book lays emphasis on the fact that ASW will remain the focus of modern fleet operations and retain its primacy as the core competence of world navies. The nature of threat posed by submarines and existing means of combating them have been discussed. Significant strides in the fields of passive and active sonar technologies, possible due to recent developments in signal processing, have been presented.Additionally, various concepts being explored and the likely performance of futuristic ASW sensors and platforms, and their direct effect on future ASW operations have also been discussed.The book attempts to impart a well-rounded and holistic introduction to the students of ASW. It also provides food for thought for the practicing professionals and indicates the futuristic scenario.Contents IntroductionAnti-submarine Warfare; Anti-submarine Warfare and the Nuclear Revolution; Anti-submarine Warfare in Littoral Waters; Advances in Anti-submarine Warfare Techniques.Submarine: An Invisible Threat Evolution of Submarines; Submarine Design; Classification of Submarines; Diesel-electric Submarines; Fuel Cell-powered Submarines; Midget Submarines; Nuclear-powered Submarines; Submarine Characteristics; Role of Submarines in Ocean Warfare; Submarine Signatures and Stealth Technologies.Anti-submarine Warfare Operations: Strategies and TacticsAdvantages of a Submarine; Disadvantages of a Submarine; Methods to Counter Submarine Advantages; Variety of Platforms; Steps Leading to Prosecution of a Submarine; Target Acquisition; Anti-submarine Countermeasures; Anti-torpedo Countermeasures; Protection of a Force; Sea Control; Anti-submarine Warfare Strategies; Strategic Antisubmarine Warfare Operations.Underwater Propagation of Acoustic WavesCharacteristics of Acoustic Waves; Speed of Sound in Water; Sound Propagation and Thermal Structure of Oceans; Propagation Loss of Acoustic Waves in Water; Underwater Acoustic Noise; Sonar Equations; Figure of Merit for Sonar.Acoustic Anti-submarine Warfare SensorsSonar Systems; Deployment of Multiple Sensors.Acoustic Signal ProcessingArray Gain; Acoustic Signal Processing.Non-acoustic Anti-submarine Warfare SensorsMagnetic Sensors; Stealth Against Magnetic Sensors; Electric Field (ELFE) Sensors; Static Electricity Sensors; Corrosion Related Magnetic Sensors; Electromagnetic Sensors; Other Sensors.Anti-submarine Warfare Weapons: Mines and Depth ChargesNaval Mines; Classification of Mines; Mine Laying; Mine Countermeasures; Mine Counter-countermeasures; Depth Charges.Anti-submarine Warfare Weapons: Torpedoes and RocketsCharacteristics of Torpedoes; Classification of Torpedoes; Other Anti-submarine Warfare Weapons; Anti-torpedo Defence System; Stealth Torpedoes.Acoustic WarfareAcoustic Countermeasure (ACM); Acoustic Counter-countermeasures; Countermeasures to Acoustic Sensors; Stealth Against Acoustic Sensors; Anti-submarine Warfare Countermeasures.Revolution in Military Affairs and Its Relevance to Anti-submarine WarfareMathematical Model of RMA; Network-centric Warfare; Inter-operability; Cooperative Engagement Capability; Strategic Aerospace Technologies; Role of Naval Forces in Joint Operations; Information Technology; Disruption Caused by External Radio Frequency Signals.Glossary of Terms Used in Anti Submarine Warfare Index