China mapping ocean floor as it prepares for submarine warfare with US China is conducting a vast undersea mapping and monitoring operation across the Pacific, Indian and Arctic oceans. Experts say this is crucial for waging submarine warfare against the - facebook.com

2026-03-24 - 17:10

China mapping ocean floor as it prepares for submarine warfare with US China is conducting a vast undersea mapping and monitoring operation across the Pacific, Indian and Arctic oceans. Experts say this is crucial for waging submarine warfare against the facebook.com