Officers say they went to the home on Talon Drive Monday afternoon, and discovered the woman's body. She had been dead for two days.
Detectives said the couple had a domestic dispute and Richardson killed his wife. They did not say how.
Cpl. Richardson is assigned to the 2nd Marine Regiment, 2nd Marine Division. He is being held in the Onslow County Jail without bond and is charged with one count of first-degree murder.