OVERVIEW: The PLA-705K Alfa [Lira] is a high-speed attack submarine operated by the Russian Navy. This class represents a significant, albeit ultimately limited, leap in submarine design, prioritizing speed and automation at the expense of stealth and operational endurance.

DETAILS:
The Alfa class (Project 705 and 705K, NATO reporting name Alfa/Lira) was conceived during the Cold War as a counter to increasingly capable Western submarines. The design was driven by the pursuit of exceptional speed and deep diving capabilities, achieved through a titanium alloy hull and a compact lead-bismuth cooled nuclear reactor. The high degree of automation implemented on the Alfa, enabled a significantly reduced crew compared to other contemporary Soviet submarine designs. This reduced crew size was intended to mitigate the impact of casualties and simplify training, crucial in a high-intensity conflict. The lead-bismuth reactor, while powerful, was plagued with maintenance difficulties and rapid cooldown requirements, limiting operational flexibility. The PLA-705K represents a slightly modified version of the initial PLA-705 design, incorporating improvements learned from initial operational experience. Although innovative in its approach, the Alfa class ultimately proved too expensive and complex to produce in large numbers, and its operational characteristics limited its widespread deployment.

The Alfa class was primarily intended for anti-submarine warfare (ASW) operations, tasked with intercepting and engaging enemy submarines, particularly ballistic missile submarines (SSBNs). Its high speed allowed it to rapidly deploy to intercept target vessels, and its deep diving capability provided an advantage in evading counter-attacks. While not designed for anti-surface warfare (ASuW) as its primary mission, the Alfa possessed the capability to engage surface targets using its torpedo armament. It lacked any dedicated anti-aircraft warfare (AAW) capability beyond evasion tactics, relying on its speed and depth to avoid aerial threats. The sensor suite, including the 'Mouse Roar' (MGK-1000 Okean) and 'Squid Arm' (MGK-1000 Okean) sonar systems, provided effective underwater target detection and tracking capabilities.

The installation of the 'Bald Head' RKP radar provided a surface search and navigation capability, while the 'Snoop Head' (Bukhta) electronic support measures (ESM) suite enabled detection and identification of radar emissions from enemy vessels and aircraft. The 'Brick Pulp' (MRP-21 Zaliv-P) radar warning receiver further enhanced situational awareness. Two 533mm torpedo tubes provided the platform's primary offensive capability against both subsurface and surface targets. The integration of a signal ejector supports communication security through expendable devices and countermeasures. The optical and Low-Light TV (LLTV) periscopes support surface surveillance and navigation during shallow operations, as well as target identification at close ranges. The Generic Acoustic Intercept sensor bolsters the submarine's ability to passively locate enemy vessels through the analysis of emitted acoustic signatures.

SPECIFICATION: Length: 81.4 m || Beam: 9.5 m || Draft: 7.6 m || Disp: 2800 t

SENSORS: Bald Head [RKP] || Mouse Roar [MGK-1000 Okean] || Squid Arm [MGK-1000 Okean] || Snoop Head [Bukhta] || Brick Pulp [MRP-21 Zaliv-P] || Generic Acoustic Intercept || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV

ARMAMENT: 533mm TT || 533mm TT || Signal Ejector