<Tr> <Td> AEHF </Td> <Td> Advanced Extremely High Frequency Satellite </Td> <Td>--</Td> <Td> 0.6 </Td> <Td>--</Td> <Td> 0.9 </Td> </Tr> <Tr> <Td> EELV </Td> <Td> Evolved Expendable Launch Vehicle </Td> <Td> </Td> <Td> 1.5 </Td> <Td> 5 </Td> <Td> 1.8 </Td> </Tr> <Tr> <Td_colspan="6"> Trucks </Td> </Tr> <Tr> <Td> JLTV </Td> <Td> Joint Light Tactical Vehicle </Td> <Td> 804 </Td> <Td> 0.4 </Td> <Td> 2,020 </Td> <Td> 0.7 </Td> </Tr>

Which of the following comprises nearly two-thirds of the u.s. defense budget