Navy Requests 22 Undersea Vehicles as part of its Distributed Maritime Operations (DMO) Strategy

By Kris Osborn – Warrior Maven

In recent years, Navy modernization has been characterized by a highly-visible and crucially important uptick in unmanned systems development and production in what could be called a “drone explosion.”

The Navy’s recently released 2023 budget is no exception, as the services’ request continues this emphasis with a request to procure as many as 22 small and medium sized undersea vehicles.

Undersea Vehicles

The emerging fleet of undersea drones is quite varied, ranging from small semi-autonomous mine-hunting undersea drones all the up to extremely large undersea drones such as the Large Diameter Unmanned Undersea Vehicle and the “Extra”-large Diameter Unmanned Undersea vehicles (XLDUUV) which are quite submarine-like and potentially armed with torpedoes.

The massive expansion of undersea drones is entirely consistent with the Navy’s now heavily emphasized Distributed Maritime Operations (DMO) strategy which calls for a dispersed, yet-highly networked, force of manned and unmanned systems able to share time-sensitive targeting and reconnaissance data across the force in real time. The networking is also intended to be multi-domain in that it aims to connect undersea drones with surface ships and even air assets such as helicopters lowering mine-and-submarine-hunting sonobuoys into the water.

Greater numbers of unmanned systems favor or support the strategic call for “distributed” operations in keeping with the services’ DMO strategy, as less condensed maritime forces are of course less of a target to enemy forces and therefore less vulnerable to destruction.

Some of the undersea sonar and drone synergy is greatly improved by new levels of autonomy and semi-autonomy through which undersea drones can find, identify and ultimately destroy enemy mines autonomously, when directed by or approved by a human decision maker. For example, a submersible Raytheon-built AQS-20 undersea sonar system can network with a semi-autonomous, mine-exploding drone called the Barracuda.

The AQS-20 is a submersible cylinder-like system with four built-in sonars to find mines from the “sea-floor to the near surface in a single pass,” Raytheon data explains. It operates with side-scanning synthetic aperture sonars, a “wide-band” forward-looking sonar and a “digital gap” filler sonoar to surveill mines underneath. Using acoustic ID technology, the AQS-20 generates a high-resolution “rendering” or “image” of a threat object using advanced automatic target recognition.