<Tr> <Td> M109 </Td> <Td> </Td> <Td> 155 mm self - propelled howitzer </Td> <Td> United States </Td> <Td> 950 </Td> <Td> </Td> </Tr> <Tr> <Td> M777 </Td> <Td> </Td> <Td> 155 mm gun - howitzer </Td> <Td> United Kingdom </Td> <Td> ~ 403 </Td> <Td> </Td> </Tr> <Tr> <Td> M119 </Td> <Td> </Td> <Td> 105 mm howitzer </Td> <Td> United Kingdom </Td> <Td> 392 </Td> <Td> </Td> </Tr> <Tr> <Th_colspan="7"> Rocket artillery </Th> </Tr>

How many guns does the united states military have