Surcouf was unlike any submarine ever built. She carried heavy cruiser guns, a reconnaissance plane, vast stores of torpedoes, and the crew of a small warship. France designed her to bypass treaty ...
India’s S4 nuclear-powered submarine has started its sea trials. It uses mostly Indian-made technology and gives the Navy strong underwater strike capability.
The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...
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