AOA,
Strategic depth is a term in
military literature that refers, broadly speaking, to the
distances between the front lines or battle sectors and the
combatants’ industrial core areas, capital cities, heartlands, and other key centers of population or military production.
In military terms, strategic depth has some meaning if it refers to a region that
provides safety and resources to an army or a country. A buffer zone could be a strategic depth in politico- military terms. Hitler's attempts to gain the oil-rich and grain- filled parts of Russia could be said to seek strategic depth. The NATO's eastward expansion can be said to offer strategic depth both to western Europe and to the erstwhile Soviet states. The Golan Heights offers the same to Israel. After the Cold War, strategic depth is better obtained by shaping relations through engagement and by adding depth to a country's economic capacity.
regards.