During that time he secured various parts of the base such as Area 51 and Area 13 .
Richard Mingus worked as a security guard at the Nevada Test Site from 1957 - 1993 .
During that time Richard Mingus secured various parts of the base such as Area 51 and Area 13 .
Richard Mingus worked as a security guard at the Nevada Test Site from 1957 - 1993 .