there was an internment from vietnam war but that soldier was actually identified as michael blassey the air force. at the request of his family he was disinterred and reinterred at arlington sorry money. >> that's important to know. the days of the unknown soldier are behind us because of dna identification. there's no such thing as unknown soldier, is that correct? >> that's correct. with the technology we have, it's a lot easier. one thing to point out about world war i, the first time dog tags issued to everyone, information on a disk about the soldier. the idea they were killed and needed to be buried, one was nailed to the control and the other kept with the soldier. that helped with identification after the war. but the problem was the technology, type of artillery used in some cases made soldiers unidentifiable, even though registration service wen to great lengths to try and figure out the identities. of course in this case they couldn't figure it out. host: look at the number of wreaths at that amphitheater. there's the president addressing the crowds. we can see a vast num

there was an internment from vietnam war but that soldier was actually identified as michael blassey the air force. at the request of his family he was disinterred and reinterred at arlington sorry money. >> that's important to know. the days of the unknown soldier are behind us because of dna identification. there's no such thing as unknown soldier, is that correct? >> that's correct. with the technology we have, it's a lot easier. one thing to point out about world war i, the first time dog tags issued to everyone, information on a disk about the soldier. the idea they were killed and needed to be buried, one was nailed to the control and the other kept with the soldier. that helped with identification after the war. but the problem was the technology, type of artillery used in some cases made soldiers unidentifiable, even though registration service wen to great lengths to try and figure out the identities. of course in this case they couldn't figure it out. >> look at the number of wreaths at that amphitheater. there's the president addressing the crowds. we can see a vast number