Register Des Moines, Iowa HOV 8 I94p Negro Service Men Entertained at WAAC Center 111 " 1 A group of Negro officer candidates attending the army school at Grinriell (la.) college were guests at the Negro WAAC USO center, Twelfth st. and Keosauqiia Way. Here they listen to juke box records with two Negro WAACs in training at Fort Des Moines.