USA: Bluefin, NRL Round Off Long-Endurance UUV Mission

first_img View post tag: Navy View post tag: Defense View post tag: Endurance View post tag: Bluefin Bluefin Robotics, a Quincy-based provider of Unmanned Underwater Vehicles (UUVs), announced that the company, in support of the Naval Research Laboratory (NRL), has successfully completed a long-endurance UUV mission from Boston to New York totaling over 100 hours with NRL’s Reliant “Heavyweight” UUV.The multi-day mission exercised UUV autonomy methods and demonstrated the capability of a high capacity energy configuration. Further, the endurance test was designed to push the boundaries of traditional UUVs with the objective to uncover the challenges and requirements for significantly extending UUV endurance for new applications. The exercise is part of a series to support NRL’s research in UUV-based technology for the US Navy.Reliant, is an advanced version of the Bluefin-21 vehicle and, when equipped with a Low Frequency Broadband (LFBB) sonar payload, is the prototype SMCM UUV Knifefish system for the US Navy. The vehicle navigates using a fiber-optic gyro-based INS along with supplemental data from a GPS and a Doppler Velocity Log (DVL) to enable precise navigation underwater for long endurance missions. Reliant utilizes Bluefin’s modular vehicle design that enabled the team to easily remove the payload section and add additional energy sections increasing the system’s energy capacity to nearly 40 kWh of power. Configuration took place over only a few days at Bluefin’s headquarters in Quincy, Massachusetts.The team mobilized the vehicle on the Boston Harbor Cruise’s, M/V Matthew J. Hughes, and deployed it outside Boston Harbor. To optimize for endurance and range, the vehicle traveled at an average speed of 2.5 knots at 10 meters water depth, resurfacing every 20 kilometers for navigation updates over GPS. Team members on M/V Matthew J. Hughes and onshore were able to receive vehicle status information over Iridium satellite system. While the support vessel was available, it did not provide navigational updates to the UUV, leaving the system to travel completely autonomously. After 109 hours of operation and transiting over 500 kilometers through strong currents, the system successfully reached its end point in New York Harbor with 10% of its battery life remaining.The overall effort was funded by the Office of Naval Research.[mappress]Press Release, October 31, 2013; Image: Bluefin Robotics View post tag: Naval View post tag: Defence View post tag: News by topic View post tag: Mission View post tag: NRL View post tag: Long View post tag: Round Back to overview,Home naval-today USA: Bluefin, NRL Round Off Long-Endurance UUV Mission Equipment & technology Share this article View post tag: usa October 31, 2013 View post tag: UUV USA: Bluefin, NRL Round Off Long-Endurance UUV Missionlast_img read more

Image of the Day: Safety Handling Ops of 40mm Saluting Battery

first_img View post tag: Navy Image of the Day: Safety Handling Ops of 40mm Saluting Battery View post tag: Ops These ops were conducted during a 21-gun salute evolution aboard the future amphibious assault ship USS America (LHA 6) before the ship anchored off the coast of Callao, Peru, for a scheduled port visit.America is traveling through the U.S. Southern Command and U.S. 4th Fleet area of responsibility on her maiden transit. The ship is scheduled to be commissioned Oct. 11 in San Francisco.[mappress]Naval Today Staff, September 03, 2014; Image: U.S. Navy photo by Senior Chief Aviation Ordnanceman Lawrence Grove View post tag: handling View post tag: News by topic View post tag: 40mm View post tag: americas View post tag: safety View post tag: Batterycenter_img Chief Gunner’s Mate Anthony Russell observes safety handling operations of a 40mm saluting battery with Sailors assigned to Weapons Department. View post tag: Image of the Day View post tag: Naval September 3, 2014 Authorities Back to overview,Home naval-today Image of the Day: Safety Handling Ops of 40mm Saluting Battery View post tag: Saluting Share this articlelast_img read more

Administrative changes

first_imgBy Faith PeppersUniversity of GeorgiaIn an effort to streamline administration, J. Scott Angle, deanand director of the University of Georgia College of Agriculturaland Environmental Sciences, announced major changes today in thecollege’s administrative structure.”For the past several years there has been concern about the sizeand alignment of the upper administration of this college,” Anglesaid. “I have taken steps today to begin to address the issue.”Jerry Cherry, associate dean for research, and Mel Garber,associate dean for extension, resigned today. The two positionswill be combined, and a national search will begin immediately tofind a suitable candidate to become associate dean for researchand extension.”The size, structure and effectiveness of the collegeadministration were among the main issues I faced when I camehere in August as dean,” Angle said. “Both Drs. Cherry and Garberhave provided outstanding leadership to the college. But aftereight months of observing how the college functions, I have madesome hard decisions today that will help us work more efficientlyin the future.”While the search is conducted, Bob Shulstad, currently assistantdean for research, and Beverly Sparks, currently assistant deanfor extension, will be given the title of interim associate deanand will work together to administer the Agricultural ExperimentStations and Cooperative Extension, respectively. These actionsare effective April 17.(Faith Peppers is a news editor for the University of GeorgiaCollege of Agricultural and Environmental Sciences.)last_img read more