McMillan was nominated by President
Lyndon B. Johnson on April 25, 1968, to a seat on the
United States District Court for the Western District of North Carolina vacated by Judge
Wilson Warlick. He was confirmed by the
United States Senate on June 6, 1968, and received his commission on June 7, 1968. He assumed
senior status on September 1, 1989. His service was terminated on March 4, 1995, due to his death in Charlotte. ==References==