He retired from the Marine Corps in 1989 after more than 27 years of service.

He retired from the Marine Corps in 1978 after 34 years of service.

He retired from the Marine Corps after 37 years of service.

In 1928 he resigned from the Marine Corps and began writing full-time.

He retired from the Marine Corps in 1978 after 38 years of active duty service.

He retired from the Marine Corps in 1956, after completing more than 25 years of active service.

He retired from the Marine Corps as a lieutenant colonel.

Petersen retired from the Marine Corps in 1988 after 38 years of service.

He retired from the Marine Corps with 32 years of service and after reenlisting seven times.

Land retired from the Marine Corps as a Major in 1977.