sentences:  He was the Deputy Commander of Operations for Colonel Paul Vanuxem when the VNA and French Far East Expeditionary Corps withdrew from Ninh Bình to Tuy Hòa on the South Central Coast as part of Operation Auvergn following the partition of Vietnam.He became a protege of Ngô Đình Cẩn, a younger brother of Prime Minister Diệm.Cẩn, who unofficially controlled the region of central Vietnam near Huế, was impressed by what he considered to be an abundance of courage on the part of Đính.