During his three and a half years of service with this international organization, Shepherd, through his leadership and diplomacy, made substantial contributions towards plans for the defense of the continent.
В ходе 3,5 лет службы в этой международной организации Шеперд благодаря своим лидерским и дипломатическим качествам внёс значительный вклад в планы обороны континента.