Its operations include rescuing trapped sailors in submarines, naval operation support for submarines, underwater research and mapping support, and recovery of sunk vessels.

This complex naval operation was performed during the final phase of the war and helped to save many peoples lives.

He notified the authorities, who urged him to finish fitting out the ship because a major naval operation was imminent.

As well as the vivisection of the borderlands there were parades, toasts, intelligence ties, economic co-operation and even joint naval operations.

The generals directed military operations, and the admirals naval operations.