- The 33rd edition of the Singapore-India Maritime Bilateral Exercise (SIMBEX-2026) commenced at Visakhapatnam. - SIMBEX is India's longest uninterrupted bilateral maritime exercise with any foreign nation, having started in 1994 (originally as Exercise Lion King). - The exercise aims to enhance interoperability, share best practices, and strengthen maritime security cooperation between the Indian Navy and the Republic of Singapore Navy (RSN) in the Indo-Pacific region. - Reflects strong bilateral defense cooperation and a shared commitment to a free, open, and inclusive Indo-Pacific. - **SIMBEX:** An annual bilateral maritime exercise between the Indian Navy and the Republic of Singapore Navy, representing India's longest unbroken naval exercise with any foreign nation, aimed at bolstering Indo-Pacific security. - **Indian Navy:** The naval branch of the Indian Armed Forces responsible for safeguarding India's maritime borders, projecting power, and conducting joint exercises with friendly foreign nations. - **Republic of Singapore Navy (RSN):** The maritime service branch of the Singapore Armed Forces that engages in bilateral and multilateral naval exercises to ensure regional stability and secure sea lines of communication. **Introduction** The 33rd edition of the Singapore-India Maritime Bilateral Exercise (SIMBEX-2026) has commenced at Visakhapatnam. As India's longest unbroken bilateral naval exercise with a foreign nation, SIMBEX highlights the deep-rooted defense partnership between India and Singapore, focusing on advanced maritime interoperability and regional stability in the Indo-Pacific. **Core Issue and Detailed Points** - The 33rd edition of the Singapore-India Maritime Bilateral Exercise (SIMBEX-2026) commenced at Visakhapatnam. - SIMBEX is India's longest uninterrupted bilateral maritime exercise with any foreign nation, having started in 1994 (originally as Exercise Lion King). - The exercise aims to enhance interoperability, share best practices, and strengthen maritime security cooperation between the Indian Navy and the Republic of Singapore Navy (RSN) in the Indo-Pacific region. - Reflects strong bilateral defense cooperation and a shared commitment to a free, open, and inclusive Indo-Pacific. **Key Statutory Bodies, Acts & Concepts** - **SIMBEX:** An annual bilateral maritime exercise between the Indian Navy and the Republic of Singapore Navy, representing India's longest unbroken naval exercise with any foreign nation, aimed at bolstering Indo-Pacific security. - **Indian Navy:** The naval branch of the Indian Armed Forces responsible for safeguarding India's maritime borders, projecting power, and conducting joint exercises with friendly foreign nations. - **Republic of Singapore Navy (RSN):** The maritime service branch of the Singapore Armed Forces that engages in bilateral and multilateral naval exercises to ensure regional stability and secure sea lines of communication.