<Tr> <Th_colspan="2"> Executive department overview </Th> </Tr> <Tr> <Th> Formed </Th> <Td> August 7, 1789; 228 years ago (1789 - 08 - 07) </Td> </Tr> <Tr> <Th> Dissolved </Th> <Td> September 18, 1947; 70 years ago (1947 - 09 - 18) </Td> </Tr> <Tr> <Th> Superseding agencies </Th> <Td> <Ul> <Li> Department of the Army </Li> <Li> Department of the Air Force </Li> </Ul> </Td> </Tr>

How did war department policies begin to change during world war ii