<P> This program's purpose is to "invest in and develop capabilities that advance the technical superiority of the U.S. Military to counter new and emerging threats ." It has a budget of $12.5 billion, but is apart from the overall Research, Development, Test, and Evaluation (RDT&E) portfolio, which compromises $71.8 billion . Efforts funded apply to the Obama administration's refocusing of the US military to Asia, identifying investments to "sustain and advance (the) DoD's military dominance for the 21st century", counter the "technological advances of U.S. foes", and support Manufacturing Initiative institutes . A breakdown of the amounts provided, by tier of research, is provided: </P> <Table> <Tr> <Th> Program </Th> <Th> FY 2016 Request </Th> <Th> FY 2016 Enacted </Th> <Th> FY 2017 Request </Th> <Th> Change (FY16 Enacted - FY17 Request) </Th> </Tr> <Tr> <Td> Basic Research </Td> <Td> 2.1 </Td> <Td> 2.3 </Td> <Td> 2.1 </Td> <Td> - 0.2 </Td> </Tr> <Tr> <Td> Applied Research </Td> <Td> 4.7 </Td> <Td> 5.0 </Td> <Td> 4.8 </Td> <Td> - 0.2 </Td> </Tr> <Tr> <Td> Advanced Technology Development </Td> <Td> 5.5 </Td> <Td> 5.7 </Td> <Td> 5.6 </Td> <Td> - 0.1 </Td> </Tr> <Tr> <Td> Total </Td> <Td> 12.3 </Td> <Td> 13.0 </Td> <Td> 12.5 </Td> <Td> - 0.5 </Td> </Tr> </Table> <Tr> <Th> Program </Th> <Th> FY 2016 Request </Th> <Th> FY 2016 Enacted </Th> <Th> FY 2017 Request </Th> <Th> Change (FY16 Enacted - FY17 Request) </Th> </Tr> <Tr> <Td> Basic Research </Td> <Td> 2.1 </Td> <Td> 2.3 </Td> <Td> 2.1 </Td> <Td> - 0.2 </Td> </Tr>

Which department had the largest budget in 2016