After the end of the war in Europe, Richardson was sent to the Philippines to serve with the
86th Infantry Division, arriving in October after a brief leave with his wife and children. He served as assistant division commander of the
28th Infantry Division in Germany, being promoted to
brigadier general, and later became chief of staff of
VII Corps at
Stuttgart. He went back to The Pentagon in 1958 to serve as deputy chief of staff for personnel, responsible for officer assignments. Richardson returned to Hawaii, where he had served before World War II, to command the
25th Infantry Division as a
major general. He later became deputy commander in chief and chief of staff of
United States Army Pacific (USARPAC), and in April 1962 was promoted to
lieutenant general. When Joint Task Force 116 was organized by USARPAC to assist the
Royal Thai Army following the
Laos Crisis, Richardson became its commander due to his experience dealing with guerrillas in the Philippines. The task force patrolled the Laos–Thailand border for six months and was then inactivated. Richardson received a Thai decoration for his service, and returned to The Pentagon as
deputy chief of staff for personnel. In this role, he requested the
Association of the United States Army to establish
command sergeant major's conferences to be held during its annual meetings, and was responsible for the creation of the Army Community Services Program. Richardson ended his career as commanding general of the
Sixth United States Army at the
Presidio of San Francisco between 1 August 1965 and July 1967. Soon after Richardson assumed command of the army, the
Watts riots broke out in
Los Angeles and on 15 August 1965 he was selected by officials to command Federal troops if they were sent in to restore order. This was ultimately not needed as the riots were contained by the California National Guard. While commanding Sixth Army, he requested the
United Service Organizations to establish a USO Lounge at the
San Francisco International Airport, which was used by American servicemen during the
Vietnam War, and organized the
Fort Point and Army Museum Association. For his service there, Richardson received his third
Distinguished Service Medal. ==Later life==