hiː jˈuːzᵻz kˈæɹiɚ pˈɪdʒənz tə kəmjˈuːnᵻkˌeɪt wɪð ˌælɪɡzˈændɚ, hˌuː dᵻspˈaɪt hˌævɪŋ nˈɑːlɪdʒ ʌvðə ɹᵻtɹˈiːt, ˈɔːɹdɚz ðə bɐtˈæliən tə pˈʊʃ ˈɔn.
He uses carrier pigeons to communicate with Alexander, who despite having knowledge of the retreat, orders the battalion to push on.