It is no accident that DARPA, ONR, AFOSR have co-located themselves within easy walking distance of the National Science Foundation in Northern Virginia, with the ARO having a liaison office there as well.
Intelligence Advanced Research Projects Activity (IARPA) "invests in high-risk/high-payoff research programs that have the potential to provide our nation with an overwhelming intelligence advantage over future adversaries."
"Science.gov searches over 45 databases and over 2000 selected websites from 14 federal agencies, offering 200 million pages of authoritative U.S. government science information, including research and development results."