<P> A persistent rumor is that debossed (imprinted with stamped in letters) dog tags were issued from World War II till the end of the Vietnam War and that currently the U.S. Armed Forces is issuing embossed (imprinted with raised letters) dog tags . In actuality, the U.S. Armed Forces issues dog tags with both types of imprinting, depending on the machine used at a given facility . The military issued 95% of their identification tags up until recently (within the past 10 years) with debossed text . </P> <P> The U.S. Armed Forces typically carry two identical oval dog tags containing: </P> <Dl> <Dt> U.S. Air Force (Format 1) </Dt> </Dl> <Dt> U.S. Air Force (Format 1) </Dt>

When were dog tags first used in the military