The Pakistani Navy had continued its submarine operations in the region, even after the first missile attack.

The first French submarine operation preceded the start of the campaign as well.

The Navy was very protective of its submarine operations.

Stealth is thus the key to submarine operations and survival.

The book is named after the eponymous stealth mode of submarine operation.

The tender supported local submarine operations off California for the remainder of the year.

As a submariner himself, Carpender took a great interest in submarine operations, and did not like what he saw.

I understand that, General, but this is largely a submarine operation, right?

They also dispatched 80 men to Germany for training in submarine operations.

"On Phobos she led one of the teams working in aquatic transform work - modifying the human form for submarine operations."