Armies typically have minimum (and sometimes maximum) heights, to ensure soldiers will fit into uniforms and standardized gear. The US Army, for instance, has h

Armies typically have minimum (and sometimes maximum) heights, to ensure soldiers will fit into uniforms and standardized gear. The US Army, for instance, has had a minimum height for men of 5' 0" for a long time. If those who are drafted are killed in really vast numbers, a disproportionate share of the children in the next generation will be fathered by men who were not drafted, including those who were too short.