The key to the whole business was not politics or national defence.

Throughout his life he took an active interest in national defence.

The army is responsible for national defence and also internal security.

The other major issue brought up around this time was national defence.

He had a long career in governmental offices including the research institute of national defence.

The table shows the unusually large share of social product used for national defence and administration.

Its action was patriotic and showed a spirit of national defence.

Ports are of strategic importance to economic development and national defence.

How far should we believe the military plans for national defence?

We do not think you can do it by national defence.