Navy Orders 30 Drone Ships To Finally Advance Its ‘Medium’ Uncrewed Vessel Ambitions

The Navy has announced plans to buy 30 new drone boats, 10 from each of three companies, under its Medium Unmanned Surface Vessel (MUSV) program. The deals are an important step forward for the Navy’s latest attempt to field larger USVs after years of setbacks and shakeups, but it remains to be seen when these new capabilities might actually become operational.

Galliano Marine Services, Huntington Ingalls Industries (HII), and Saronic Technologies each received so-called Other Transaction Authority (OTA) agreements in relation to the MUSV program today. OTA is a contracting mechanism designed to support rapid prototyping and other research and development work without having to use more traditional and often lengthy processes.

The awards “mark a significant step forward in translating the strategic vision into a tangible fleet capability,” Chris Miller, the Navy’s Acting Direct Reporting Portfolio Manager for Robotic and Autonomous Systems (DRPM RAS), told TWZ and others at a media roundtable earlier today. “Each agreement is for the procurement of 10 MUSV at an average procurement cost of $40 million per vessel.”

A rendering of HII’s Romulus design. HII

Saronic and HII submitted their Marauder and Romulus designs, respectively, to the MUSV Phase I competition. Galliano Marine Services, which does business as Edison Chouest, does not appear to have announced its entrant publicly. At a unit cost of $40 million, the total price tag for 30 MUSVs, regardless of type, would be $1.2 billion.

“Production will begin immediately at shipyards in Loreauville, Houma, and Franklin, Louisiana, with deliveries starting as early as the fourth quarter of [Fiscal Year] 2027,” Miller added.

To take a step back quickly, the Navy has used a variety of definitions for what qualifies as a “medium” USV over the years. It’s also important to note that the Navy already fields several speedboat and jet ski-type USVs operationally that are capable of performing various different missions, including employment as one-way attack munitions.

Saronic’s Corsair, seen here, is an example of a speedboat-sized USV already in operational Navy service. Saronic

Threshold MUSV program requirements the service put out in March included a range of at least “2500 nm [nautical miles] at 25 knots while carrying a 25 MT [metric ton] load on the payload deck in NATO STANAG 4194 Sea State 4.” Sea State 4 is characterized by wind speeds of 17 to 21 knots and wave heights between four and eight feet, per that NATO standard. The MUSVs also had to be able to carry forty-foot equivalent units (FEU) containerized payloads and refuel at sea at a rate of “2,000 gallons per minute of fuel through deck connections.” Various other operational and sustainment requirements were laid out at that time, as you can read more about here.

The OTAs announced today were awarded “following successful at sea testing” under Phase I of the MUSV program, according to a press release the Navy put out today. A total of seven companies competed in this initial phase, with the others being Birdon, Leidos, PacMar Technologies, and Sea Machines. That work was conducted under an earlier round of OTAs.

“The testing evaluated, among other things, the vessel’s ability to see and understand the surrounding maritime environment, how well the vessels navigated autonomously according to the international regulations for preventing collisions at sea, and the vessel’s ability to conduct a long-duration mission,” the Navy’s Miller said at the roundtable earlier today. “The demonstrations had to prove that the designs were mature enough to meet the Navy’s operational standards and our requirements.”

In terms of the long-duration mission requirements, “the test was that they had to be able to execute [over] roughly 26 hours and over 360 nautical miles with only a single input during that time from a C2 [command and control] station allowed,” Milleter further explained. “So, it basically demonstrated that the vessel could run for an excess of 24 hours at an extended range with very minimal input from the actual operator from a C2 station. This provided basically our input and our ability to assess how truly autonomous the functionality was of the platforms.”

Overall, the OTA awards “were based on the optimal mix of autonomy, performance, design, production schedule, and cost,” he added.

The MUSV Phase II contracting notice outlines additional parameters, including that submitted designs cannot be more than 295 feet (90 meters) long or displace more than 5,000 metric tons. The USVs also have to be able to accommodate “at least 2x Twenty-foot Equivalent Unit (TEU) [containerized payloads] weighing 24,000 kg each and consuming 25 kW each” and be “capable of executing multi-day unmanned operations of at least 10 days.” The drone boats need to be “operable in NATO STANAG 4194 Sea State 4 and survivable in Sea State 6,” as well. The full lists of threshold requirements and desired attributes are reproduced below.

USN

In addition, “to be considered for this Call for Solutions, the proposed MUSV must be ready for operational demonstration at the time of solution submission,” according to the Phase II contracting notice. “An MUSV requiring substantial modifications for the production platform compared to the as-demonstrated platform will not be considered.”

“The Phase II solicitation all

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