. "Gilbert Johnson"@en . "Early African American in United States Marine Corps" . . "United States of America" . "Johnson, Gilbert"@en . "1905Z"^^ . "1972-08-05Z"^^ . "Hashmark"@en . "1923Z"^^ . "1955Z"^^ . "Hashmark (nickname)"@en . . . . "Sergeant Major Gilbert \"Hashmark\" Johnson (October 30, 1905 \u2013 August 5, 1972) was one of the first African Americans to enlist in the United States Marine Corps, and one of the first African American drill instructors in the U.S. Marine Corps. Johnson was known as \u201CHashmark\u201D because he had more service stripes than rank stripes. He retired in 1959 after 32 years of service in the U.S. military, 17 years were as a Marine."@en . "1905-10-30Z"^^ . "1972Z"^^ . . . . .