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Intelligence, as used herein, will include information on possible opponents and on the environment which can affect operations.

These can be referred to as operational intelligence and environmental intelligence.

In submarine defense these must have maximum stress.

Good operational intelligence can ensure sound planning, greatly reduce force requirements, and increase tactical effectiveness.

Environmental intelligence is just as important.

The ocean presently co-operates with the target.

Full knowledge of the science of oceanography can bring the environment to our side, resulting in an increase in effectiveness of equipment and tactics, a decrease in enemy capabilities, and the development of methods of capitalizing on the environment.

Therefore, improved intelligence will result in reduced force requirements and, as it supports all other elements, rates a top priority.

Gathering intelligence is important, but of equal importance is its translation into usable form.