Fred M. Greguras served as a United States Marine in Vietnam in 1970 with Hotel Company, 2nd Battalion, 5th Marine Regiment, before entering the field of law and becoming a partner at a law firm in California. The Fred M. Greguras Papers reflect his research and writing interest in U.S. Marine history through manuscripts, research materials, photographs, and collected ephemera that focus on China Marines and the presence of the U.S. military in Asia.