**PLA-971M Akula II [Shchuka-B]**

OVERVIEW: The PLA-971M Akula II [Shchuka-B] is a nuclear-powered attack submarine (SSN) of the Akula II class, operated by the Russian Navy. Entering service in 2021, this vessel represents a late-production variant, likely incorporating upgrades and modifications derived from operational experience and technological advancements.

DETAILS:
The Akula-class, designated Project 971 Shchuka-B by the Russian Navy, was developed as a third-generation nuclear-powered attack submarine to counter perceived advancements in Western submarine technology, particularly the quieter designs of the late Cold War era. The Akula II variant represents a significant evolution over the original Akula I, incorporating improved sound dampening measures and a lengthened hull for reduced hydrodynamic drag and enhanced internal arrangements. The class embodies a design philosophy focused on acoustic stealth, deep-diving capability, and the ability to deliver a potent strike capability against both surface and subsurface targets. The emphasis on stealth is reflected in the extensive use of anechoic tiles and advanced noise reduction techniques. While the collapse of the Soviet Union led to the cancellation or postponement of many Akula projects, several units, including the PLA-971M, have been completed and modernized under the Russian Federation.

The PLA-971M is primarily tasked with anti-submarine warfare (ASW) and anti-surface warfare (ASuW) roles, capable of long-range deployments and independent operations. The platform can also perform intelligence, surveillance, and reconnaissance (ISR) missions. The submarine's deep-diving capability allows it to operate in challenging underwater environments, while its substantial armament provides a considerable offensive punch. The integration of advanced communication systems and sensor suites, likely updated during its commissioning in 2021, allows for effective coordination with other naval assets and dissemination of critical intelligence.

The vessel's effectiveness is significantly enhanced by its comprehensive sensor suite. The Shark Rib [MGK-540 Skat-3] and Shark Tail [MG-541 Skat-3] sonar systems provide long-range detection and tracking of both surface and underwater contacts, with the Shark Gill [MGK-540 Skat-3] likely offering specialized capabilities such as mine detection or improved performance in littoral environments. The Rim Hat [Kremlin-2] fire control system facilitates precise targeting for both torpedoes and cruise missiles. The Snoop Pair [MRKP-59] radar allows for surface search and navigation. Furthermore, the Mouse Roar [MG-519 Arfa-M] sonar intercept receiver provides early warning of active sonar emissions from opposing platforms. Finally, the presence of both Optical and LLTV periscopes allows for versatile surface observation capabilities. The armament suite, comprising both 533mm and 650mm torpedo tubes, along with the capability to launch SA-N-8 Gremlin [9K34 Strela-3] missiles from a mast launcher, enables engagement of a wide spectrum of targets.

SPECIFICATION: Length: 113.3 m || Beam: 13.6 m || Draft: 9.7 m || Disp: 8470 t

SENSORS: Shark Rib [MGK-540 Skat-3] || Rim Hat [Kremlin-2] || Shark Tail [MG-541 Skat-3] || Shark Gill [MGK-540 Skat-3] || Snoop Pair [MRKP-59] || Generic Acoustic Intercept || Mouse Roar [MG-519 Arfa-M] || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV || SOKS

ARMAMENT: MG-114 Berilly [6x TT] || 533mm TT || SA-N-8 Gremlin [9K34 Strela-3] Mast Launcher || 650mm TT || Signal Ejector