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Which navy hosted the ADMM-Plus maritime security joint cooperation activity, and which country co-chaired it?

  1. A.Indonesian Navy, with Australia as co-chair
  2. B.Philippine Navy, with Japan as co-chair
  3. C.Vietnam Peoples Navy, with India as co-chair
  4. D.Royal Thai Navy, with the Republic of Korea as co-chair

Correct answer

B. Philippine Navy, with Japan as co-chair

Explanation

The correct answer is the Philippine Navy, with Japan as co-chair. The activity opened at Naval Operating Base Subic on 21 September 2026 with the Philippine Navy as host, and Japan shared the chair of this Experts Working Group session on maritime security. Option A puts the Indonesian Navy in the host role with Australia co-chairing, which is plausible because both are active in ADMM-Plus work, but neither role matches this activity. Option C suggests Vietnam as host and India as co-chair, and while India took part with two warships it was a participant, not the co-chair. Option D names Thailand and the Republic of Korea, neither of which held these roles. Aspirants should note the pairing of host and co-chair because ADMM-Plus working groups are always run by two countries together, and that pairing changes from cycle to cycle.

Read the full article: INS Sahyadri and Kulish End ADMM-Plus Drill at Subic Bay

Practice Questions

Q1.DefenceMedium

Which two Indian Navy ships took part in the 23rd ADMM-Plus maritime security joint cooperation activity at Subic Bay?

  1. A.INS Shivalik and INS Kadmatt
  2. B.INS Sahyadri and INS Kulish
  3. C.INS Delhi and INS Satpura
  4. D.INS Talwar and INS Trikand
Show answer
Correct answer: B. INS Sahyadri and INS Kulish

INS Sahyadri is a frontline stealth frigate and INS Kulish is a missile corvette, and the two sailed to Subic Bay in the Philippines for the Experts Working Group activity on maritime security, whose closing ceremony was held on 25 September 2026.

Q2.DefenceHard

The MAHASAGAR vision, under which India framed this deployment, stands for which of the following?

  1. A.Maritime Highway for Security and Growth Across Regions
  2. B.Mutual and Holistic Advancement for Security and Growth Across Regions
  3. C.Maritime Alliance for Harmony, Security and Growth in Asian Regions
  4. D.Mission for Advancement of Harbours, Shipping and Growth Across Regions
Show answer
Correct answer: B. Mutual and Holistic Advancement for Security and Growth Across Regions

The Ministry of Defence placed the participation of INS Sahyadri and INS Kulish at Subic Bay within the Act East Policy and within this MAHASAGAR vision, which describes how India wants security and growth to advance together across the wider maritime neighbourhood.