OVERVIEW: The SSGN 727 *Michigan* is a nuclear-powered guided missile submarine (SSGN) of the United States Navy. Converted from an Ohio-class ballistic missile submarine, the *Michigan* has been reconfigured to support special operations forces and strike missions. This vessel, designated SSGN 727, represents a significant evolution in submarine warfare, providing a versatile platform capable of both conventional strike and clandestine operations. Commissioned in 2024, this refitted vessel incorporates the latest advancements in sensor technology and weaponry, enhancing its effectiveness in modern naval operations.

DETAILS:
The *Michigan*'s conversion reflects a broader U.S. Navy strategy to adapt existing platforms to meet evolving operational requirements. The Ohio-class submarines, originally designed for strategic nuclear deterrence, possessed ample internal volume that could be repurposed for conventional missions. The conversion program focused on removing the Trident ballistic missile system and replacing it with vertical launch system (VLS) tubes capable of accommodating a variety of cruise missiles and special operations forces equipment. This conversion dramatically increased the submarines' flexibility, allowing them to respond to a wider range of threats without the need for new construction programs. The *Michigan*'s redesign emphasizes adaptability and forward presence, providing a potent and discreet means of projecting power in key strategic regions. This conversion also includes extensive upgrades to its communications suite, enabling enhanced coordination with shore-based command and control elements, and special operations teams.

The *Michigan* primarily functions as a strike asset and a platform for special operations forces. Its 14 APM VLS cells allow for the carriage of a substantial number of Tomahawk cruise missiles, enabling precise and devastating strikes against land-based targets. The submarine's inherent stealth allows it to operate undetected in contested waters, providing a crucial advantage in asymmetric warfare scenarios. The converted missile compartments also provide ample space for the stowage of equipment and supplies for special operations teams, further extending their operational range and endurance. While not designed for direct anti-submarine warfare (ASW) or anti-air warfare (AAW) roles, the *Michigan* retains self-defense capabilities through its torpedo tubes, ensuring it can respond to immediate threats. The deployment of special operations forces is supported by an enhanced diver lockout chamber and the ability to launch and recover small submersibles.

Technologically, the *Michigan* benefits from a comprehensive suite of sensors. The AN/BQQ-10 sonar suite provides advanced detection and tracking capabilities, enabling the submarine to maintain situational awareness in complex underwater environments. The AN/BLQ-10(V)4 enables precise acoustic intelligence gathering and signal processing, enhancing the submarine's ability to identify and classify potential threats. The AN/BQR-19 navigation sonar improves navigation accuracy, particularly in shallow or confined waters. The AN/BPS-15A radar allows for surface search and navigation. The AN/WLR-8(V)5 electronic support measures (ESM) system detects and analyzes enemy radar emissions, providing early warning of potential threats. The AN/WLY-1 acoustic intercept system further enhances the submarine's intelligence-gathering capabilities by detecting and analyzing underwater acoustic signals. The Type 18 Periscope SUBIS Mod provides enhanced visual surveillance capabilities. The CSA Mk3 Mod 0 combat system manages sensor data, integrates weapons systems, and provides tactical decision support to the commanding officer. These advanced systems, coupled with the *Michigan*'s stealth and firepower, make it a formidable asset in modern naval operations.

SPECIFICATION: Length: 170.0 m || Beam: 13.0 m || Draft: 10.8 m || Disp: 16765 t

SENSORS: AN/TB-29A || AN/WLY-1 || AN/BPS-15A || AN/WLR-8(V)5 || AN/BQR-19 || AN/BLQ-10(V)4 || AN/BQQ-10 || Type 18 Periscope SUBIS Mod

ARMAMENT: 533mm Mk68 TT || CSA Mk3 Mod 0 || 3-inch Signal Ejector || APM VLS [14 Cells]