sun tzu

By taking equipment from your own country but feeding off the enemy you can be sufficient in both arms and provisions.

Perpetual war

Lasting state of war with no clear ending conditions

Perpetual war, endless war, or a forever war, is a lasting state of war with no clear conditions that would lead to its conclusion. These wars are usually situations of ongoing tension that may escalate at any moment, similar to the Cold War. From the late 20th century, the concepts have been used to critique the United…+

Wikipedia