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Dictionary of American Naval Fighting Ships. After four months and numerous Mediterranean port visits, the carrier crossed the equator en route to Rio de Janeiro. In response, Nimitz was deployed to the coast of Lebanon , where it remained until August

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Many of the ship's features were originally developed under the DD21 program "21st Century Destroyer". To save it, the acquisition program was renamed as DD X and heavily reworked. In July , a construction timetable was set for General Dynamics to deliver the ship in April , with a March target date for Zumwalt to meet her initial operating capability [23] but, by the planned completion and delivery of the vessel was delayed to the fiscal year.

In January , Zumwalt began to prepare for heavy weather trials, to see how the ship and her instrumentation react to high winds, stormy seas, and adverse weather conditions.

The ship's new wave-piercing inverted bow and tumblehome hull configuration reduce her radar cross-section. Tests involved lateral and vertical accelerations and pitch and roll. Later tests included fuel on-loading, data center tests, propulsion events, X-band radar evaluations, and mission systems activation to finalize integration of electronics.

These all culminated in builders' trials and acceptance trials, with delivery for US Navy tests in late , and with initial operating capability IOC to be reached by Zumwalt ' s first commanding officer was Captain James A. Kirk , played by William Shatner. Shatner wrote a letter of support to Zumwalt ' s crew in April Due to deck conditions, the Coast Guard helicopter was unable to hoist the patient from the fishing boat, so the Zumwalt ' s crew used their meter rigid-hulled inflatable boat RHIB to transfer him to the destroyer, from which he was transported to shore by the Coast Guard helicopter and then to a hospital.

On 21 November , Zumwalt lost propulsion in her port shaft while passing through the Panama Canal from the Atlantic to the Pacific Ocean en route to her homeport in San Diego. From Wikipedia, the free encyclopedia. United States Naval Institute.

Retrieved 13 January Retrieved 16 October Harry 15 October Retrieved 24 July Northrop Grumman Ship Systems. Archived from the original on 15 September The Department of the Navy DON must rethink its approach to logistics in order to give the warfighting commander flexible options.

The DON could benefit from incorporating advanced technologies such as advanced manufacturing, autonomous systems, and creative use of Adaptive Force Packages on existing and new platforms to transform our logistics concepts to a more agile, scalable warfighting tool Treat Unmanned as Unmanned.

Unmanned systems are inherently different from their manned counterparts. Policies and procedures which apply to the design, development, testing and evaluation of manned systems do not necessarily support unmanned system development In some areas, existing criteria should be modified or eliminated, while in other areas, such as cybersecurity design, more rigor is required.

Therefore, existing policies and requirements must be tailored to support expeditious and risk-appropriate processes for unmanned systems The processes for experimentation and exercise initiatives requiring installation on afloat or ashore units including Certification, Accreditation, and Approval contain overly complex guidance and authorities, significantly extend timelines, impose high resource costs, and do not assess risk appropriately for robust innovation. Over the years, we have prioritized process competence over technical knowledge and worked to eliminate or reduce acquisition risk, resulting in a culture of caution more than a culture of innovation.

Increase Resources and Opportunities for Experimentation. Experimentation can be highly disruptive and thrives in a culture which embraces innovation and risk-taking.

In this period of budget and strategic uncertainty we must increase resources and opportunities for experimentation to rapidly bring new ideas, processes, and technologies to bear on real world problems. Jnnovative concepts often only become evident during such experiments and do not follow scripted rules and timelines. We must be prepared to fail during experimentation efforts, iterate rapidly, re-assess results and act on findings.

The Department of the Navy DON is the custodian of a vast amount of data that can be used to stimulate groundbreaking innovations. Secretary Mabus just directed the establishment of a DON Open Data Portal in order to make the DON's publically releasable data accessible to the public and our workforce to help fuel entrepreneurship, innovation, and scientific discovery.

Amateurs talk tactics; Professionals talk "Printing"? Additive manufacturing has the potential to revolutionize the entire military supply chain and provide us with an operational advantage. Secretary Mabus just directed the Navy and Marine Corps team to transform the future of naval logistics. Creating Uncertainty with Adaptive Force Packaging.

When combined with bold new operational concepts, it will also give our naval force new agility by introducing uncertainty to potential adversaries. To build an adaptive workforce the DON must actively develop and manage its talent. Innovating with Reserve Talent.

The Sailors and Marines of the naval reserve forces possess an enormous amount of civilian training and experience that must be used to stimulate innovation within the DON. Often time the military personnel systems do not fully recognize civilian talent.

Anticipate Future Military Demands Memo. The pace of technological change today is rapid and it is likely to accelerate in the future. Several emerging fields such as autonomous systems, advanced robotics, additive manufacturing and directed energy have the potential to fundamentally change how the navy operates today and will provide game-changing warfighting advantages in the future.

The vessel was casually known as "Nerwin" and was never officially named or commissioned. Navy is allocated a specific number of warships by the U. Admiral Hyman Rickover avoided using one of those allocations, and he also wanted to avoid the oversight that a warship receives from various bureaus. NR-1 ' s missions included search, object recovery, geological survey, oceanographic research, and installation and maintenance of underwater equipment.

NR-1 had the unique capability to remain at one site and completely map or search an area with a high degree of accuracy, and this was a valuable asset on several occasions.

Through the s and s, NR-1 conducted numerous classified missions involving recovery of objects from the floor of the deep sea. These missions remain classified and few details have been made public.

One publicly acknowledged mission in was to recover parts of an F that was lost from the deck of an aircraft carrier and sank with at least one AIMA Phoenix air-to-air missile. The secrecy typical of USN submarine operations was heightened by Rickover's personal involvement, and he shared details of NR-1 operations only on a need-to-know basis.

Rickover envisioned building a small fleet of NR-1 type submarines, but only one was built due to budget restrictions. Following the loss of the Space Shuttle Challenger in , NR-1 was used to search for, identify, and recover critical parts of the Challenger craft. NR-1 remained submerged and on station even when heavy weather and rough seas hit the area and forced all other search and recovery ships into port.

NR-1 was deactivated on 21 November at the U. Navy announced that salvaged pieces of the sub would be put on display at the Submarine Force Library and Museum in Groton. NR-1 performed underwater search and recovery, oceanographic research missions, and installation and maintenance of underwater equipment to a depth of almost half a nautical mile.

Its features included extending bottoming wheels, three viewing ports, exterior lighting, television and still cameras for color photographic studies, an object recovery claw, a manipulator that could be fitted with various gripping and cutting tools, and a work basket that could be used in conjunction with the manipulator to deposit or recover items in the sea. Surface vision was provided by a television periscope permanently installed on a fixed mast in her sail area.

NR-1 had sophisticated electronics, computers, and sonar systems that aided in navigation, communications, and object location and identification. It could maneuver or hold a steady position on or close to the seabed or underwater ridges, detect and identify objects at a considerable distance, and lift objects off the ocean floor. NR-1 was equipped with two electric motor-driven propellers and its maneuverability was enhanced by four ducted thrusters, two forward and two aft.

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