Summary: Geoff Chester will discuss the U.S. Naval Observatory's Master Clock (one of the most precise clocks in the world). Mr. Chester will also discuss the nature of atomic time keeping; why a precise time reference is critical to military operations; and how the next-generation Master Clock will work. The appearance of advertising on this Web site does not constitute endorsement by the DOD, of the products or services advertised on this site. Read transcript(pdf)
