And why do you think Congress has passed this law? What prompted them to micromanage the military in this manner? I encourage you to research this topic, “McNamara’s folly” will serve as a good starting keyword. Spoiler: it has everything to do with unsuitability of low IQ enlisted.

FWIW, ASVAB is an IQ test. Any intelligence researcher will tell you so, because it exhibits the usual positive manifold, you find the usual g factor in it, and it shows high correlation with other IQ test. The military doesn’t usually call it as such for political reasons, but will happily admit in private that ASVAB and WAIS measure the same thing: https://web.archive.org/web/20200425230037/https://www.rand....