The more traditional, fixed bomb rack, a conventional bomb rack like that of the B-52 would have mounted stores in vertical columns making individual store selection and release impossible without releasing all stores ahead in the column line.
ðə mˈoːɹ tɹɐdˈɪʃənəl, fˈɪkst bˈɑːm ɹˈæk, ɐ kənvˈɛnʃənəl bˈɑːm ɹˈæk lˈaɪk ðæt ʌvðə bˈiː fˈɪfti tˈuː wʊdhɐv mˈaʊntᵻd stˈoːɹz ɪn vˈɜːɾɪkəl kˈɑːlʌmz mˌeɪkɪŋ ˌɪndᵻvˈɪdʒuːəl stˈoːɹ sᵻlˈɛkʃən ænd ɹᵻlˈiːs ɪmpˈɑːsᵻbəl wɪðˌaʊt ɹᵻlˈiːsɪŋ ˈɔːl stˈoːɹz ɐhˈɛd ɪnðə kˈɑːlʌm lˈaɪn.