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Defence & Security27 Oct 2026 · about 6 min

Sagar Defence's rise: From 150 sq ft workspace to Navy's swarm boat provider

The brief

An unmanned surface vessel, or USV, is a boat that travels on the water without a crew physically aboard. It may be remotely controlled or equipped to perform tasks autonomously. This matters because naval forces can send boats into risky areas without placing sailors directly in danger. A swarm boat is more than simply an unmanned boat. It belongs to a group designed to operate together, share tasks, or approach a mission from several directions. Sagar Defence’s Matangi is an armed USV. The article describes it as a high-speed interceptor with autonomous targeting functions, rather than confirming every detail of coordinated swarm behaviour. Sagar Defence supplies swarm boats and other autonomous systems to India’s armed forces. Similar unmanned or swarm boats have been used by Iran and the United States for attacks and surveillance during the West Asia conflict. Their growing use points to naval operations involving many smaller, networked craft alongside traditional ships.

01

What is an unmanned surface vessel, and what makes a boat part of a naval “swarm”?

An unmanned surface vessel, or USV, is a boat that travels on the water without a crew physically aboard. It may be remotely controlled or equipped to perform tasks autonomously. This matters because naval forces can send boats into risky areas without placing sailors directly in danger.

A swarm boat is more than simply an unmanned boat. It belongs to a group designed to operate together, share tasks, or approach a mission from several directions. Sagar Defence’s Matangi is an armed USV. The article describes it as a high-speed interceptor with autonomous targeting functions, rather than confirming every detail of coordinated swarm behaviour.

Sagar Defence supplies swarm boats and other autonomous systems to India’s armed forces. Similar unmanned or swarm boats have been used by Iran and the United States for attacks and surveillance during the West Asia conflict. Their growing use points to naval operations involving many smaller, networked craft alongside traditional ships.

02

What has Sagar Defence supplied to the Indian Navy, and how many armed unmanned boats are involved?

Sagar Defence has begun supplying 12 armed unmanned surface vessels, or USVs, to the Indian Navy. The boats are being delivered under the Navy’s iDEX SPRINT contract. This is a significant step because the company began in a tiny 150 square foot workspace in Mumbai and later built research and manufacturing campuses in Pune and Andhra Pradesh.

The supplied boats include Matangi, described as the company’s signature craft. These high-speed interceptor boats carry a 12.7mm stabilised remote-controlled gun station, electro-optical radar tracking, and anti-jamming GPS navigation. They can operate autonomously against targets or support surveillance and special missions.

The article presents the delivery as part of Sagar Defence’s growth into a major defence company. Its systems are intended for the Indian armed forces, especially the Navy. Some boats have also been deployed by the Army at Pangong Tso lake in eastern Ladakh for patrolling.

03

How does the Matangi boat detect targets, navigate, and attack without someone steering it directly?

Matangi is designed to perform key parts of a mission without someone continuously steering it. The article says it uses advanced electro-optical radar tracking to find and follow targets. It also carries anti-jamming GPS navigation, helping it determine and maintain its position when navigation signals face interference.

Its weapon is a 12.7mm stabilised remote-controlled gun station. Stabilisation helps keep the gun aimed while the boat moves, while the tracking system supplies information about a target. Together, these systems allow the craft to strike targets autonomously, according to the article. The text does not detail the exact software or decision rules behind firing.

Matangi can therefore combine movement, detection, navigation, and weapons control in one platform. It can be used for surveillance or offensive operations in shallow waters. The same craft can also carry Marine Commandos for special operations, expanding its usefulness beyond a purely armed role.

04

Where can these boats be used, and what missions can they perform in shallow waters or around naval vessels?

The boats are built for places where larger crewed ships may be less suitable, especially shallow waters. They can conduct surveillance and offensive operations without putting a crew aboard the craft. Their small, unmanned design also makes them useful for patrols in constrained or sensitive areas.

Matangi can carry a 12.7mm stabilised remote-controlled gun station, electro-optical radar tracking, and anti-jamming GPS. It can autonomously strike targets, according to the article. The craft can also carry Marine Commandos, known as Marcos, for special operations. This gives it both a combat role and a transport role.

The article says some of these boats have been deployed by the Army at Pangong Tso lake in eastern Ladakh for patrolling. Around naval vessels, similar systems could support surveillance, protection, or attacks, although the article does not describe a specific escort mission. Sagar Defence is also supplying them primarily to the Indian Navy.

05

What are iDEX and the Navy’s SPRINT programme, and how do they help Indian companies develop defence technology?

iDEX means Innovations for Defence Excellence, a Government of India framework that connects defence needs with startups and other innovators. SPRINT is a Navy-linked initiative whose full name is Supporting Pole-Vaulting in R&D through Innovations for Defence Excellence. These expansions come from established programme usage; the article itself refers to the Navy’s iDEX SPRINT contract but does not spell them out.

Such programmes help companies develop equipment against defined military requirements, test prototypes, and move successful designs toward procurement. In this case, the contract supported Sagar Defence’s work on armed unmanned surface vessels. Its Matangi craft is among the boats being supplied.

The article says Sagar Defence has begun supplying 12 armed USVs to the Indian Navy under this contract. That links an Indian startup’s research and manufacturing capacity with an operational defence requirement. It also shows a path from a 150 square foot Mumbai workspace to larger campuses in Pune and Andhra Pradesh.

06

What changes when a navy uses fleets of relatively small autonomous boats instead of relying only on crewed ships?

Using many small autonomous boats can change naval operations by distributing work across several platforms. A navy may be able to watch wider areas, send craft into shallow waters, and undertake dangerous tasks without placing sailors aboard every boat. Losing one small vessel could also avoid exposing a crew, although the article does not discuss costs or losses.

Sagar Defence’s Matangi shows the range of tasks such craft can support. It carries tracking equipment, anti-jamming GPS, and a stabilised 12.7mm gun. It can conduct surveillance, strike targets autonomously, or carry Marine Commandos for special operations. Some boats are already used for patrolling at Pangong Tso.

The shift does not remove the need for larger crewed ships. Instead, autonomous boats can add more options around naval forces and in restricted waters. The article also describes other unmanned platforms for fire support, anti-submarine warfare, and networked missions, suggesting a broader move toward distributed naval capabilities.

07

How do sensors, satellite links, artificial intelligence, and anti-jamming navigation allow military machines to operate as part of a larger network?

Military machines become networked when they can sense their surroundings, locate themselves, process information, and share useful data. Sensors such as electro-optical tracking systems detect objects. Navigation systems guide movement. Artificial intelligence can help interpret imagery or identify patterns, while communications links connect platforms and command centres.

The article gives several examples. Matangi uses electro-optical radar tracking and anti-jamming GPS navigation. C14’s AquaScan uses AI vision to support divers underwater. Galaxeye offers a satellite-based system that can detect unknown or unidentified vessels and provide their data or history. These tools cover local sensing, underwater vision, and wide-area observation from space.

Together, such capabilities could help naval units build a common picture of activity around them. They could also support coordinated surveillance or response by unmanned craft. The article does not explain the precise data links between these systems, but it shows Indian companies developing complementary technologies for networked naval missions.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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