Defense Department preparing to implement repeal of `` do n't ask , do n't tell '' Training will be done on three levels , or tiers . The first tier is the basic training that all recruits go through before they are allowed into service in any branch ( e.g. infantry )
Defense Department preparing to implement repeal of `` do n't ask , do n't tell '' Training will be done on three levels , or tiers . Tiers one and two are for experts and senior leaders ; tier three is for rank-and-file troops .