Shakti
Not all jobs in the military are combat roles
The military also contains medical doctor, nurse, medic, musicians, Motor Transport, mechanic, cook, human resource specialist
Some articles claim that the military currently rejects 80 percent of applicants, for medical, criminal, or educational reason
Besides the MEPS, background check, and high school diploma, applicants have to follow policies about tattoos, ASVAB, financial dependent.
Some articles claim that the military has a TAPAS personality test. Applicants answer multiple choice questions about their personality
Not all jobs involve "cannon fodder"
Some jobs, like MARSOC and Intelligence have additional requirements
Being a pilot require a certain height