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The Office of Naval Research (ONR) sponsored a project at Virginia Tech University nearly 20 years ago that is now growing in influence across the world for measuring aerospace and aeronautical acoustics. Since noise reverberates against solid surfaces, such as the walls of a wind tunnel where acoustical testing takes place, collecting accurate sound data had been nearly impossible at the time. Researchers were also struggling to discern the sound of the wind tunnel’s air flow from the noise of the object traveling through it. After learning about some experiments on Kevlar as a wind screen, William Devenport, an engineering professor and director of Virginia Tech’s Stability Wind Tunnel, said he and a colleague wrote a proposal to then-ONR program officer Ron Joslin to try adding Kevlar to their wind tunnel walls. Devenport submitted the original grant proposal (N00014–04–1–04933) through the FY 2004 Defense University Research Instrumentation Program (DURIP) for alterations to Virginia Tech’s existing Stability Wind Tunnel that would allow it to measure flow-induced noise of relevance to Navy applications.

Gathered in a temporary maritime operations center in Arlington, Virginia, military, industry and political leaders watched multiple satellite images flash onto large monitor screens. These images showed three types of drug-running vessels hundreds of miles away in the Atlantic Ocean — a small, fast, highly maneuverable boat capable of transferring illicit cargo between ships on the high seas; a support ship with a crane for loading and unloading contraband; and a tugboat serving as the recipient ship for smuggling cargo into the U.S. The scenario was part of a larger July 2023 experimentation event designed to emulate drug-smuggling activities in the maritime domain as well as efforts to deter the flow of such contraband. Called the SCOUT Main Experimentation Event, the two-week exercise involved partners such as the Office of Naval Research (ONR), Joint Inter-Agency Task Force-South (JIATF-S), U.S. Southern Command (SOUTHCOM), and numerous naval warfare centers and industry and academic partners. Chief of Naval Research Rear Adm. Kurt Rothenhaus, who was one of several ONR leaders at the maritime operations center, said, “I’m truly impressed by the innovation, teaming and analytic rigor you’ve all brought to this exercise. Your pioneering approach is leading the way for us to learn faster with new partners to tackle the hardest operational challenges.”

The proposed topic will explore and exploit the lack of underwater propulsion systems that can efficiently work across a wide variety of speeds over long distances. In particular, this effort is interested in a propulsion system able to transition between low and high speeds, to include the ability to stop and re-start at any time. Other desired characteristics will be briefed at the event. The program will pursue technologies and systems that support development and demonstration of a system that can propel an underwater vehicle in the ways listed. Further mission profile details will be provided at the Industry Day.

Special Program Announcement for Office of Naval Research Research Opportunity: Naval Energy Storage System Safety and Assessment

Known as the Layered Laser Defense (LLD), the weapon was designed and built by Lockheed Martin to serve as a multi-domain, multi-platform demonstration system. It can counter unmanned aerial systems and fast-attack boats with a high-power laser—and also use its high-resolution telescope to track in-bound air threats, support combat identification and conduct battle damage assessment of engaged targets.

The Office of Naval Research's Electric Power Components and Systems program supports the Navy’s interest in advanced naval power and energy systems research and technology.

The Office of Naval Research's Expeditionary Energy program seeks breakthrough technologies to support the future of hybrid and expeditionary warfare.

The Office of Naval Research's Operational Endurance from Environmental Carbon program seeks technology development to support sustainable carbon neutral operational energy processes and materials for U.S. Navy and U.S. Marine Corps needs.

The Advanced Naval Platforms Division's Power & Energy Science and Technology program is focused on solving fundamental research problems, applying scientific knowledge, and developing power and energy solutions to Navy and USMC needs.

The Office of Naval Research's Power Electronics & Electromagnetism, Adaptive & Machinery Controls and Advanced Machinery Systems program supports the Navy’s interest in advanced naval power and energy systems science and technology, and autonomous technology.