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Aircraft Carriers are naval vessels that allow for landing and take-off of military aircraft. Typically, Aircraft Carriers are active for 50 to 60 years then need to be retired or decommissioned. The ship is either torn apart for resources, sunk to the bottom of the ocean to serve as an artificial reef, or tied up to a dock indefinitely to serve as a sterile museum. The purpose of this research is to explore a fourth option that allows the public to appreciate the steel beasts in a manner that is respective and full of awe. / Master of Architecture

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Approved for public release; distribution in unlimited. / A noticeable civil-military gap has emerged in American society where the public does not fully understand the mission of the military, and the military does not understand the expectations and demands by the public in a liberal democracy. Maintaining a good rapport with the media and not fostering a civil-military gap will allow the public to embrace 'good news' stories that are introduced by the military as well as accept the times when a negative story breaks the news. Cooperating with the media by allowing appropriate access to the military is vital to effective information operations. This research identifies instances of failure in military-media relationships by reviewing the historical relationship between the media and military in wartime as well as two examples in the last 15 years in which the Navy has mishandled newsworthy events-the 1989 explosion aboard the USS IOWA and the 2001 collision between the submarine, USS GREENEVILLE and the Japanese fishing trawler, Ehime Maru. The purpose of this project is to determine and ultimately to mitigate military bias against the media. / Lieutenant, United States Navy

Despite the vast material that has been written about the Second World War, most literature mentions battleships in passing, giving little attention to a role that battleships filled- that of naval gunfire support for amphibious landings. The literature regarding the Navy’s older, obsolescent battleships such as the Texas is scarce. Using primary sources regarding the Texas and the evolution of naval gunfire doctrine from the pre-war and wartime periods, this study looks at the involvement of the Texas in the Second World War and how the Navy employed its oldest battleships. The amphibious landings of the war provided a role in which a ship’s speed and range became irrelevant when firing on fixed targets on an enemy beach. This work provides a look at a little discussed, though widely used aspect of the Second World War and helps further discussion regarding the evolution of the US navy.

This study reveals how the Pacific war changed at Coral Sea and Midway due to a little known but important cadre of sailors on USS Yorktown (CV5). Those US victories resulted from not only clever code breakers and courageous airmen but equally from the determined Damage Control (DC) crews aboard Yorktown. DC crews were the ship’s first responders. They fought fires, kept power and propulsion operable, controlled the ship’s stability, and patched her flight deck to keep aircraft flying. DC teams saved Yorktown multiple times, and their story is memorable for their contributions at Coral Sea and Midway. Without DC efforts, CV5 would not have participated in the battle of Midway. Without Yorktown, the commitment of only two American carriers (with one being virtually inexperienced) against four Japanese carriers with their skilled airmen would have yielded disaster for the United States at Midway instead of victory.

Ultrasonic slurry sampling electrothermal vaporization dynamic reaction cellTM inductively coupled plasma mass spectrometry (USS-ETV-DRC-ICP-MS) has been applied to the determination of As and Se in soil and sediment samples. The influences of instrument operating conditions and slurry preparation on the ion signals were reported. Ascorbic acid and Pd were used as the modifiers to enhance the ion signals. The background ions at the selenium masses were reduced in intensity significantly by using 1.5 ml min-1 H2 as reaction cell gas in the DRC while a q value of 0.65 was used. Since the sensitivities of As and Se in slurry solution and aqueous solution were quite different, standard addition method was used for the determination of As and Se in these samples. This method has been applied to the determination of As and Se in NIST SRM 2711 Montana soil and SRM 2709 San Joaquin soil reference materials and NRCC BCSS-1 marine sediment reference sample. The analysis results of the reference materials were agreed with the certified values. The method detection limits estimated from standard addition curves were about 0.046-0.082 and 0.019-0.024 mg g-1 for As and Se, respectively, in original soil and sediment samples.

yes / The redesign of defined benefit pension schemes usually results in a substantial redistribution of wealth between age cohorts of members, pensioners, and the sponsor. This is the first study to quantify the redistributive effects of a rule change by a real world scheme (the Universities Superannuation Scheme, USS) where the sponsor underwrites the pension promise. In October 2011 USS closed its final salary scheme to new members, opened a career average revalued earnings (CARE) section, and moved to ‘cap and share’ contribution rates. We find that the pre-October 2011 scheme was not viable in the long run, while the post-October 2011 scheme is probably viable in the long run, but faces medium term problems. In October 2011 future members of USS lost 65% of their pension wealth (or roughly £100,000 per head), equivalent to a reduction of roughly 11% in their total compensation, while those aged over 57 years lost almost nothing. The riskiness of the pension wealth of future members increased by a third, while the riskiness of the present value of the sponsor’s future contributions reduced by 10%. Finally, the sponsor’s wealth increased by about £32.5 billion, equivalent to a reduction of 26% in their pension costs. / The full text will be available at the end of the publisher's embargo; Oct 16 2017

This thesis deals with the speed control three-phase asynchronous motor revolutions by a frequency converter Sinamics G110 by way of the programmable automat SIMATIC S7-224XP. Control of programmable automat is realized the operator panel TP 177 micro. Communication between the PLC and frequency converter is realized by USS protocol on bus RS-485. The main goal was to design and implement software, which would allow operation to choose different variations of speed time histories (sinusoid, saw, jump course, etc.), but also the possibility to control the position. Another goal was to create graphical environment for the operator panel that allows manual control, editing and monitoring of engine speed. The last goal was to evaluate the results and summary of findings during commissioning.