The Army’s most salient measure of strength is the number of people in the force, and it will usually advocate for more soldiers not fewer. But the Army is often unruffled by decreases in this most basic resource, accustomed as it has become over time to the expansion and contraction of the force as the demands of national security change. The Navy, on the other hand, constantly worries about any reduction in the size of its fleet. There are both technological and historical reasons for this difference