Recently, Indian Naval Ship (INS) Sahyadri participated in the Sea phase of JAIMEX-25 (Japan India Maritime Exercise.
About JAIMEX 2025
JAIMEX 2025  was a bilateral naval exercise held in October 2025 between the Indian Navy (IN) and the Japan Maritime Self-Defense Force (JMSDF). The exercise highlighted the "Special Strategic and Global Partnership" between the two nations and their shared vision of a free, open, and inclusive Indo-Pacific region. 
Participants

• Indian Navy (IN): Represented by the indigenously built Shivalik-class guided-missile stealth frigate, INS Sahyadri.
• Japan Maritime Self-Defense Force (JMSDF): Deployed JMSDF ships Asahi, Oumi, and the submarine Jinryu. 

Exercise phases
The exercise was conducted in two phases, taking place in Japan: 

• Sea Phase: From October 16 to 18, the naval forces performed advanced Anti-Submarine Warfare (ASW), missile defense drills, flying operations, and underway replenishment.
• Harbour Phase: On October 21, the crew of INS Sahyadri docked at Yokosuka, Japan, for cultural and professional exchanges. Activities included cross-deck visits, operational planning, sharing best practices, and a combined yoga session. 

Strategic significance
JAIMEX 2025 reinforces the naval cooperation between India and Japan, which is considered a crucial element for ensuring peace and stability in the Indo-Pacific. It also aligns with India's "Aatmanirbhar Bharat" (Self-Reliant India) initiative by showcasing indigenously built defense technology like the INS Sahyadri. 

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