Brahma Chellaney is professor emeritus of strategic studies at the Centre for Policy Research in New Delhi and a former adviser to India's National Security Council. He is the author of nine books, including "Water: Asia's New Battleground."
Japan has become one of Ukraine's most-important financial backers, pouring in some $12.1 billion in aid to support the country's war-battered economy and its defenses with nonlethal equipment such as anti-drone systems.