Korea Navy R.o.K Navy (and Marine Corps)

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https://twitter.com/i/web/status/2048643532488069621

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SONATA-II is the successor to the SLQ-200K SONATA (Sea Operational system for Navy Acquisition & Tactical Attack) and is scheduled to be installed on existing ships, starting with the KDDX, as well as on future ships.
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The ROKN had previously operated using the U.S.-made APECS system, but in response to the system’s poor performance and the growing threat from North Korea, it completed the development of new naval electronic warfare equipment between 1994 and the early 2000s.
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The newly developed SONATA-II will incorporate the latest digital electronics and intelligent algorithms, expanding its detection frequency range and improving detection accuracy. Furthermore, through the advancement of electronic countermeasure technologies, its capability to counter enemy advanced radars and anti-ship missiles is expected to be significantly enhanced.

Internal and External Configuration of the SONATA-II Transceiver.

SONATA-II System Configuration

 

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The 2026 RIMPAC (Rim of the Pacific) Task Force consists of approximately 700 Navy and Marine Corps personnel. Its assets include the Aegis destroyer ROKS Jeongjo the Great (DDG, 8,200-ton class), the submarine ROKS Dosan Ahn Chang-ho (SS-III, 3,000-ton class), the tank landing ship ROKS Cheonjabong (LST-II, 4,900-ton class), the frigate ROKS Daejeon (FFG, 3,100-ton class), a P-8A Poseidon maritime patrol aircraft, AW-159 Wildcat maritime operational helicopters, and six Korean Amphibious Assault Vehicles (KAAVs).

At RIMPAC 2026, which features participation from a total of 31 nations, the Republic of Korea (ROK) Navy is scheduled to serve as the Combined Forces Maritime Component Commander (CFMCC). This marks the first time an Asian nation will hold integrated command over the combined maritime and land-based naval task forces.

 

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Joint Anti-Submarine Warfare Training with U.S. Navy P-8A Aircraft at RIMPAC 2026.

 

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ROK Navy Conducts First-Ever Combat Experiment with Robot Crew Member

On July 23, the Republic of Korea (ROK) Navy conducted its first-ever combat experiment utilizing a humanoid robot named ‘PIBOT’ as a crew member at the ROK Navy Education and Training Command’s Ship Handling Simulator, in collaboration with KAIST.

This experiment was designed to explore ways to operate robots aboard naval vessels, in connection with ‘Navy Sea GHOST,’ the Navy’s ongoing initiative to establish a Navy Sea Navy-manned and Unmanned Integrated Combat System.

During the test, PIBOT performed the duties of a ‘helmsman’—understanding and repeating the ship handling orders given by the officer of the deck (OOD), and subsequently operating the steering wheel. In particular, the experiment verified the robot's capability to execute missions under various realistic navigation scenarios, including course changes, adverse weather conditions, and nighttime navigation.

Based on the results of this Phase 1 combat experiment, the Navy and KAIST plan to analyze key data—such as response times from command input to execution, as well as the appropriateness of steering controls. They intend to expand future tests to anchored vessels and actual sea-based operations.

Through this experiment, the ROK Navy aims to reduce the workload of ship crew members, prepare for future reductions in military manpower, and continuously seek ways to advance robot operations to build a smart, high-tech force.


Various efforts are underway across all three branches—land, sea, and air.

Originally, this PIBOT was a model being developed for aircraft piloting. As everyone knows, the reason for developing humanoid robots is the advantage that they can be deployed immediately without the need to specially modify existing platforms. In the case of a helmsman, in particular, since the robot only needs to listen to voice commands(All you have to do is hold the steering wheel and turn it—no other complicated steps are required. ), this approach seems promising.