the dlab is typically administered to new and prospective recruits at the united states military entrance processing command sometime after the armed services vocational aptitude battery is taken but before a final job category (nec, mos, afsc) is determined. an individual may usually take the dlab if they score high enough on the asvab for linguist training and are interested in doing so. the dlab is also administered to rotc cadets while they are still attending college. the dlab is also used for the australian defence force.