Another point the section also states Personnel E 1 to E 3 have no rating and are thus called non rated men or non rates however they are broadly classed into one of five groups of junior rates Seaman SN Fireman FN Airman AN Hospitalman HN and Constructionman CN First it almost looks like there is some slight mixing of terms rate and rating here Second for personnel who are E 1 to E 3 in reference to the non rated and non rates terms quoted in the text you might want to add that what is frequently used for those who actually do not have a rating usually because they failed out of their school is the term undesignated which is used for example as undesignated seaman or undesignated fireman apprentice etc