Black Excellence: Ralph W. Adams, Jr.

https://www.nsa.gov/History/Cryptologic-History/Historical-Figures/Historical-Figures-View/Article/1620636/ralph-w-adams-jr

Ralph W. Adams, Jr., a graduate of the University of Nebraska, served in the Army Security Agency in Vietnam as a linguist in 1961, and came to NSA in 1965. Widely recognized for his near-native language skills, he served multiple tours in Vietnam as a language analyst for NSA. Mr. Adams served in Vietnam also as a senior language advisor to both the U.S. Army and the Army of the Republic of Vietnam (ARVN). He was one of the final NSA’ers to escape before the fall of Saigon in 1975.