<Tr> <Td_colspan="2"> The gravestones at Arlington National Cemetery are decorated by U.S. flags on Memorial Day weekend in 2008 . </Td> </Tr> <Tr> <Th> Official name </Th> <Td> Memorial Day </Td> </Tr> <Tr> <Th> Observed by </Th> <Td> United States </Td> </Tr> <Tr> <Th> Type </Th> <Td> National </Td> </Tr>

What does the military have to do with independence day