Power and cooling for large-scale computing systems are rapidly becoming unmanageable problems for the enterprises which depend on them. The trend towards large, centralized computing facilities to house supercomputers, data centers, and special purpose computers continues to grow, driven by cloud computing, support of mobile devices, Internet traffic volume, and computation-intensive applications.  Conventional computing systems,…
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The Better Extraction from Text Towards Enhanced Retrieval (BETTER) Program will develop methods for extracting increasingly fine-grained semantic information, with a focus of events in the form of who-did-what-to-whom-when-where, across multiple languages and problem domains. This extracted information will be applied to an information retrieval task. An additional area of focus is human-in-the-loop computation. Performer…
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The Amon-Hen program seeks innovative, low-cost approaches for passive, ground-based interferometric imaging of GEO satellites. The program is envisioned as a 33-month effort that is intended to begin by March 2018. Phase 1 will last for a period of 15 months and will focus on the development of component technologies, physics-based system modeling capabilities, and…
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Airspace for the flying public today is perpetually congested yet remarkably safe, thanks in no small part to a well-established air traffic control system that tracks, guides and continuously monitors thousands of flights a day. When it comes to small unmanned aerial systems (UAS) such as commercial quadcopters, however, no such comprehensive tracking system exists.…
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The Advanced Plant Technologies (APT) program seeks to develop plants capable of serving as next-generation, persistent, ground-based sensor technologies to protect deployed troops and the homeland by detecting and reporting on chemical, biological, radiological, nuclear, and explosive (CBRNE) threats. Such biological sensors would be effectively energy-independent, increasing their potential for wide distribution, while reducing risks…
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Maj. Nathan Greiner, USAF In the decades-long quest to develop reusable aircraft that can reach hypersonic speeds – Mach 5 (approximately 3,300 miles per hour/5,300 kilometers per hour) and above – engineers have grappled with two intertwined, seemingly intractable challenges: The top speed of traditional jet-turbine engines maxes out at roughly Mach 2.5, while hypersonic…
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Dr. Paul Sheehan Warfighters are travelers, and the bodily inconveniences suffered by travelers, such as jet lag and traveler’s diarrhea, can seriously degrade operational readiness and even determine mission success or failure. To maximize warfighter performance, the ADvanced Acclimation and Protection Tool for Environmental Readiness (ADAPTER) program will develop systems that provide warfighters greater control…
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ARPA research played a central role in launching the Information Revolution. The agency developed and furthered much of the conceptual basis for the ARPANET—prototypical communications network launched nearly half a century ago—and invented the digital protocols that gave birth to the Internet. DARPA also provided many of the essential advances that made possible today’s computers…
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The goal of the Adapting Cross-Domain Kill-Webs (ACK) program is to provide a decision aid for mission commanders to assist them with rapidly identifying and selecting options for tasking – and retasking – assets within and across organizational boundaries. More

The goal of the Adaptable Lighter Than Air (ALTA) program is to develop and demonstrate a high altitude lighter-than-air vehicle capable of wind-borne navigation over extended ranges. The balloons can fly at altitudes of more than 75,000 feet. More