ðiːz ɪŋklˈuːdᵻd ˈeɪ "tʃˈɛkɚbˌoːɹd kˈɑːnsɛpt" ðæt ɪnvˈɑːlvz smˈɔːl ɡɹˈuːps kˈʌvɚɹɪŋ ɡɹˈɪd skwˈɛɹz tə sˈiːk ˈaʊt ɐn ˈɛnəmi, "dʒˈɪɾɚbˌʌɡ" tˈæktɪks wˌɪtʃ ɑːɹ kˈɑːmplɛks mənˈuːvɚz jˈuːzɪŋ hˈɛlɪkˌɑːptɚz tə sɚɹˈaʊnd ɐn ˈɛnəmi.
These included a "checkerboard concept" that involves small groups covering grid squares to seek out an enemy, "jitterbug" tactics which are complex manoeuvres using helicopters to surround an enemy.