preferred, though not required, preferred, though not required, Today's Military: Age Requirements requirements eligible to train says preferred, though not required, says preferred, though not required, physical requirements are for enlistment physical requirements are for enlistment preferred, though not required, preferred, though not required, preferred, though not required, preferred, though not required, preferred, though not required, http://todaysmilitary.com/joining/entrance-requirements preferred, though not required, preferred, though not required,