<Tr> <Th> 3 - A </Th> <Td> Hardship deferment; deferred from military service because service would cause hardship upon their families </Td> </Tr> <Tr> <Th> 3 - A-S </Th> <Td> Hardship deferment; separated from military service because service would cause hardship upon their families </Td> </Tr> <Tr> <Th> 4 - A </Th> <Td> Registrant who has completed military service; may be recalled to service in time of war or national emergency . </Td> </Tr> <Tr> <Th> 4 - B </Th> <Td> Official deferred by law . </Td> </Tr>

During the vietnam era males who were too young to could potentially be drafted into the military