SP's Naval Forces 5/2023

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SP’s

October-November 2023

Volume 18 No. 5

`100.00 (India-Based Buyer Only)

Military 2021 – Yearbook

2022

SP’S MILITARY YEARBOOK 2021-2022 CONTENTS HEREWITH

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ROUNDUP

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THE ONLY NAVAL MAGAZINE FOR NAVIES ACROSS ASIA-PACIFIC

 L EA D S TO RY

PAGE 3 Ageing Submarine Fleet Raises Security Concerns

PHOTOGRAPH: US Navy

Slow progress in Indian Navy’s ambitious Submarine fleet expansion with delays in induction and decommissioning of ships poses significant challenges in policing the vast Indian Ocean Maritime Zone and countering PLA (Navy) threats Ranjit Kumar

PAGE 4 Chinese Fujian Heads Towards Blue Waters China’s Fujian aircraft carrier, equipped with cutting-edge electromagnetic catapults, prepares for sea trials, marking a milestone in the nation’s naval capabilities Vice Admiral A.K. Chawla (Retd)

PAGE 6 New Chapter in India-Italy Defence Ties

Charting a fresh course, India and Italy embark on a new era of defence collaboration Ranjit Kumar

PAGE 7 India-France Discuss Rafale-M and Scorpene Deals

The recent visit of Defence Minister Rajnath Singh to France has elevated Indo-French defence relations to the next level Ranjit Kumar

PAGE 9 P-8I by Boeing: A Fabulous Past and A Promising Future As the Indian Navy’s demand for more P-8I aircraft grows, Boeing company, manufacturer of the P-8I, is fervently stepping up to meet this need Neetu Dhulia

PLUS Navantia’s AIP Successfully Performs Factory Acceptance Tests 8

News / Appointments

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The Ohio class submarines, also known as the SSBN (Ship, Submersible, Ballistic, Nuclear) class, are considered to be among the most stealthy submarines in the world.

Unseen & Unheard: The Role of Stealth Evolving Submarine Stealth Technologies ensure a Lethal Silence for the Sentinels of the Deep n V ICE ADMIRAL A.K. CHAWLA (RETD)

N

AVAL SUBMARINES WERE INVENTED to exploit the opaqueness of the underwater domain, which gave them an asymmetric advantage over much larger, faster and better armed surface vessels. While submarines require several attributes to be successful in their assigned roles and missions, the most important attribute for their success is stealth. The reason for this is their vulnerability to attack by surface, subsurface or aerial platforms once detected. Submarines are, therefore, designed with stealth in mind and submarine stealth

technology has been one of the most researched and protected of all technologies, always remaining a step ahead of anti-submarine warfare capabilities.

Approach to Submarine Stealth It is important to keep in mind that a ­submarine’s stealth cannot be viewed in isolation and requires a “whole of systems” approach. Towards this, stealth technologies can be broadly divided into two broad categories – acoustic stealth and non-acoustic stealth. Improving acoustic stealth requires addressing both the acoustic energy created by a submarine’s passage underwater and the acoustic energy reflected by the submarine from

its adversary’s active sonar transmissions. On the other hand, non-acoustic stealth of a submarine includes aspects such as its radar signature, vulnerability to visual and infrared detection, electromagnetic signatures, underwater endurance, etc. Stealth engineering is, therefore, essential in every aspect of a submarine – be it its hull shape, its hull surface, its main and auxiliary machinery, its external communication equipment, and its sensors and weapons. Key aspects of a submarine’s acoustic and non-acoustic stealth are examined briefly in subsequent paragraphs.

Acoustic Stealth The shape of submarine hulls, append-

5/2023

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