During the Vietnam War the layout of the US Army GI dog tags changed three times, the main change was when the American military started using the Social Security Numbers instead of the Army Service Number. Here you will find information on dog tag layouts for the US Army during Vietnam.

 

Layout information for US Vietnam dog tags 1965 - 1967

Layout information for US Vietnam dog tags 1967 - June 1969

Layout information for US Vietnam dog tags June 1969 - current