<Table> <Tr> <Th colspan="2"> United States </Th> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Nuclear program start date </Th> <Td> 21 October 1939 </Td> </Tr> <Tr> <Th> First nuclear weapon test </Th> <Td> 16 July 1945 </Td> </Tr> <Tr> <Th> First fusion weapon test </Th> <Td> 1 November 1952 </Td> </Tr> <Tr> <Th> Last nuclear test </Th> <Td> 23 September 1992 </Td> </Tr> <Tr> <Th> Largest yield test </Th> <Td> 15 Mt / 63 PJ ( 1 March 1954 ) </Td> </Tr> <Tr> <Th> Total tests </Th> <Td> 1,054 detonations </Td> </Tr> <Tr> <Th> Peak stockpile </Th> <Td> 31,255 warheads ( 1967 ) </Td> </Tr> <Tr> <Th> Current stockpile ( usable and not ) </Th> <Td> 4,000 ( 2018 ) ( excludes retired and awaiting dismantlement ) </Td> </Tr> <Tr> <Th> Current strategic arsenal </Th> <Td> 1,800 deployed strategic nuclear warheads ( 2018 ) </Td> </Tr> <Tr> <Th> Maximum missile range </Th> <Td> 15,000 km ( 9,321 mi ) ( land ) 12,000 km ( 7,456 mi ) ( sub ) </Td> </Tr> <Tr> <Th> NPT party </Th> <Td> Yes ( 1968 , one of five recognized powers ) </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> United States </Th> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Nuclear program start date </Th> <Td> 21 October 1939 </Td> </Tr> <Tr> <Th> First nuclear weapon test </Th> <Td> 16 July 1945 </Td> </Tr> <Tr> <Th> First fusion weapon test </Th> <Td> 1 November 1952 </Td> </Tr> <Tr> <Th> Last nuclear test </Th> <Td> 23 September 1992 </Td> </Tr> <Tr> <Th> Largest yield test </Th> <Td> 15 Mt / 63 PJ ( 1 March 1954 ) </Td> </Tr> <Tr> <Th> Total tests </Th> <Td> 1,054 detonations </Td> </Tr> <Tr> <Th> Peak stockpile </Th> <Td> 31,255 warheads ( 1967 ) </Td> </Tr> <Tr> <Th> Current stockpile ( usable and not ) </Th> <Td> 4,000 ( 2018 ) ( excludes retired and awaiting dismantlement ) </Td> </Tr> <Tr> <Th> Current strategic arsenal </Th> <Td> 1,800 deployed strategic nuclear warheads ( 2018 ) </Td> </Tr> <Tr> <Th> Maximum missile range </Th> <Td> 15,000 km ( 9,321 mi ) ( land ) 12,000 km ( 7,456 mi ) ( sub ) </Td> </Tr> <Tr> <Th> NPT party </Th> <Td> Yes ( 1968 , one of five recognized powers ) </Td> </Tr> </Table>
how many nuclear missles does the us have
how many nuclear missles does the us have
4,000
4,000