According to Garp in chapter 1 where Garp's mother witnesses it being dispensed to World War II soldiers.
ɐkˈoːɹdɪŋ tə ɡˈɑːɹp ɪn tʃˈæptɚ wˈʌn wˌɛɹ ɡˈɑːɹps mˈʌðɚ wˈɪtnəsᵻz ɪt bˌiːɪŋ dɪspˈɛnst tə wˈɜːld wˈɔːɹ ɹˌoʊmən tˈuː sˈoʊldʒɚz.