• The Korean Journal of Air & Space Law and Policy
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• v.32 no.2
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• pp.219-246
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• 2017

Nuclear issue is a good example showing globalization of the international regime. The history showed nuclear weapons may cause the extinction of human races when the first nuclear bombs fell down to Japan in August, 1945 and people became increasingly eager to achieve peace. Military buildup for national security is a matter of existence in the international society. However, disarmament or arms control to secure international peace and safety which is also the purpose of the Charter of the United Nations may be the most important task for us to realize peace of the mankind. Today, disarmament, together with amicable settlement of international conflicts and collective security system, is an important means to maintain and promote international peace and safety. It might be our permanent task to realize complete disarmament but, as the Preamble of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) expressed general and complete disarmament, the international society has clarified its effort for complete disarmament. Thus, taking a look into the international regime on the nuclear issue and progress related to the nuclear issue in North Korea, the study was intended to introduce the globalization of the nuclear issue, review the international effort for nuclear disarmament based on the concept of the 'common heritage of the mankind' and with respect to the United Nations Committee on the Peaceful Uses of Outer Space (COPUOS) and controls over nuclear weapons, and then evaluate the North Korean nuclear issue, which is in direct relation with South Korea and international laws, in terms of the space law and disarmament acts. The collective security system along with policies to prevent dissemination of nuclear weapons should also be emphasized and implemented to cope with the North Korean nuclear issue.

• Nuclear Engineering and Technology
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• v.56 no.7
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• pp.2704-2710
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• 2024

Nuclear archaeology research provides scientific methods to reconstruct the operating histories of fissile material production facilities to account for past fissile material production. While it has typically focused on analyzing material in permanent reactor structures, spent fuel or high-level waste also hold information about the reactor operation. In this computational study, we explore a Bayesian inference framework for reconstructing the operational history from measurements of isotope ratios from a sample of nuclear waste. We investigate two different inference models. The first model discriminates between three potential reactors of origin (Magnox, PWR, and PHWR) while simultaneously reconstructing the fuel burnup, time since irradiation, initial enrichment, and average power density. The second model reconstructs the fuel burnup and time since irradiation of two batches of waste in a mixed sample. Each of the models is applied to a set of simulated test data, and the performance is evaluated by comparing the highest posterior density regions to the corresponding parameter values of the test dataset. Both models perform well on the simulated test cases, which highlights the potential of the Bayesian inference framework and opens up avenues for further investigation.

• Nuclear Engineering and Technology
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• v.56 no.4
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• pp.1330-1338
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• 2024

Information on isotopic composition and geometric structure is necessary for identifying a true warhead. Nevertheless, such classified information should be protected physically or electronically. With a novel Hash encryption algorithm, this paper presents a Monte Carlo-based design of a neutron activation analysis verification module. The verification module employs a thermal neutron source, a non-uniform mask (physically encrypting information about isotopic composition and geometric structure), a gamma detector array, and a Hash encryption algorithm (for electronic encryption). In the physical field, a non-uniform mask is designed to distort the characteristic gamma rays emitted by the inspected item. Furthermore, as part of the Hash algorithm, a key is introduced to encrypt the data and improve the system resolution through electronic design. In order to quantify the difference between items, Hamming distance is used, which allows data encryption and analysis simultaneously. Simulated inspections of simple objects are used to quantify system performance. It is demonstrated that the method retains superior resolution even with 1% noise level. And the performances of anti-statistical attack and anti-brute force cracking are evaluated and found to be very excellent. The verification method lays a solid foundation for nuclear disarmament verification in the upcoming era.

• Convergence Security Journal
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• v.19 no.2
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• pp.147-156
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• 2019

The purpose of this study is provide appropriate arms control measures between South and North Koreas by comparing and analyzing the former proposals and agreements in the past and the current Moon Government's approach representing the 9.19 military agreement. For this, I established the most appropriate framework for analysis through comparing and analyzing the arms control theories. The policies of the past governments and of the current Moon Jae-in government are analyzed. The most highlighted characteristic was that the arms control policies were projected by not from the military confidence, but political confidence building measures or both concurrently. In conclusion, I suggested the strategies of projecting confidence building measures and arms control or disarmament in the process of projecting the peace settlement. Nonetheless, the most important point is that the policies of arms control and unification should be pushed ahead complementally.

• Maritime Security
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• v.1 no.1
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• pp.1-30
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• 2020

The study started with the question, "Is Japan's normalization of nationalization a return to militarism?" Therefore, in order to analyze this, the characteristics of the international system after the inauguration of the Japanese Empire during World War I and World War II and the Abe's 2nd Cabinet in contemporary Japan were compared. Through this, there were some differences in the characteristics of the international system of the two periods, and as a result, it was intended to derive the differences between the two examples. During the prewar period of World War I, the militaristic Japanese Empire suffered great damage from the national pride of being the only power in Asia through the Paris Enhancement Conference, the Washington Navy Treaty, and the London Navy Treaty. However, the Western powers with colonies in Asia still existed in the region, so it was not possible to turn them into immediate power expansion. Meanwhile, World War II broke out in Europe. As a result, the Western powers had to focus on the whole of Europe, and the militaristic Japanese empire became a regional hegemony without missing the international system characteristic of "the hegemony." Unlike in the past militarism, Japan's case of pursuing common nationalization since 2012 has been carried out in the order of Northeast Asia in the composition of the "cold war" new cold war. In particular, Japan is attempting to transform itself into a normal state to strengthen the US-Japan alliance on a self-reliant level due to the lack of quantitative military power compared to the neighboring countries.

• Iberoamérica
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• v.13 no.1
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• pp.41-67
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• 2011

El Salvador had suffered some 75,000 casualties, mostly civilian, from violent civil conflict(1980-92). In 1992, after negotiations, the government and FMLN signed a historic comprehensive peace accord which brought an end to the war and instituted wide-reaching political and social reforms. Many scholars call it as Transitional Justice in El Salvador. Transitional Justice in El salvador has had two identifiable stages. In the First stage, institutional reforms, such as DDR(disarmament, demobilization, reintegration), and a truth commission were implemented. The second phase corresponds to the period subsequent to the truth commission report, with the failure to implement the commission's recommendations, including those related to reparations and justice. This essay explain how was transitional justice in El salvador different from the other cases, and what was the purpose of extraordinary transitional justice in El Salvador. In detail, the first section of this essay examines the history of the civil war and peace process in El Salvador, and then explores the relationships between cold war and transitional justice in El Salvador. Finally, this essay suggests that truth commission's mandate which investigate 'serious acts of violence that have occurred since 1980' was very important role to accomplish peace and transitional justice in El Salvador.

• The Korean Journal of Air & Space Law and Policy
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• v.27 no.2
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• pp.211-241
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• 2012

The Draft International Code of Conduct for Outer Space Activities officially proposed by the European Union on the occasion of the 55th Session of the United Nations Peaceful Uses of the Outer Space last June 2012 in Vienna, Austria is to fill the lacunae of the relevant norms to be applied to the human activities in the outer space and thus has the merit our attention. The missing elements of the norms span from the prohibition of an arms race, safety and security of the space objects including the measures to reduce the space debris to the exchange of information of space activities among space-faring nations. The EU's initiatives, when implemented, cover or will eventually prepare for the forum to deal with such issues of interests of the international community. The EU's initiatives begun at the end of 2008 included the unofficial contacts with major space powers including in particular the USA of which position is believed to have been reflected in the Draft with the aim to have it adopted in 2013. Although the Code is made up of soft law rather than hard law for the subscribing countries, the USA seems to be afraid of the eventuality whereby its strategic advantages in the outer space will be affected by the prohibiting norms, possibly to be pursued by the Code from its current non-binding character, of placing weapons in the outer space. It is with this trepidation that the USA has been opposing to the adoption of the United Nations Assembly Resolutions on the prevention of an arms race in the outer space (PAROS) and in the same context to the setting-up of a working group on the arms race in the outer space in the frame of the Conference on Disarmament. China and Russia who together put forward a draft Treaty on Prevention of the Placement of Weapons in Outer Space and of the Threat or Use of Force against Outer Space Objects (PPWT) in 2008 would not feel comfortable either because the EU initiatives will steal the lime light. Consequently their reactions are understandably passive towards the Draft Code while the reaction of the USA to the PPWT was a clear cut "No". With the above background, the future of the EU Code is uncertain. Nevertheless, the purpose of the Code to reduce the space debris, to allow exchange of the information on the space activities, and to protect the space objects through safety and security, all to maximize the principle of the peaceful use and exploration of the outer space is the laudable efforts on the part of EU. When the detailed negotiations will be held, some problems including the cost to be incurred by setting up an office for the clerical works could be discussed for both efficient and economic mechanism. For example, the new clerical works envisaged in the Draft Code could be discharged by the current UN OOSA (Office for Outer Space Affairs) with minimal additional resources. The EU's initiatives are another meaningful contribution following one due to it in adopting the Kyoto Protocol of 1997 to the UNFCCC (UN Framework Convention on the Climate Change) and deserve the praise from the thoughtful international community.

• Journal of the Korea Society of Computer and Information
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• v.12 no.2 s.46
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• pp.171-180
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• 2007

The financial crime that used morale anger Phishing, Pharming, Vishing, SMiSing etc. will gain during recent cyber crimes. We are study systematically whether or not leakage of information and infringement can how easily occur to Phishing, Vishing, SMiSing using a social engineering technique and VoIP at these papers through experiment. A hacker makes Phishing, Vishing site, and test an information infringement process of a user through PiSing mail and a virus, a nasty code, Vishing, a SMiSing character, disarmament of Keylogger prevention S/W etc. as establish server. Information by Phishing, Vishing, SMiSing is infringed with leakage in the experiment results, and confirm, and test certified certificate and White List and a certified authentication mark, plug-in program installation etc. to prevention, and security becomes, and demonstrate. Technical experiment and prevention regarding Phishing of this paper and Vishing attack reduce the damage of information infringement, and be education for Ubiquitous information security will contribute in technical development.

• Journal of Radiation Protection and Research
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• v.22 no.2
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• pp.111-117
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• 1997

Recently, the conclusion of Comprehensive Test Ban Treaty(CTBT) is globally constructing a network system for nuclear test monitoring. The radionuclide experts of the Conference on Disarmament recommended that the detection of nuclear debris in the atmosphere was an essential factor of nuclear test monitoring and proposed the technical requirements. Based on those requirements, atmospheric radionuclide monitoring system to detect nuclear debris generated from the nuclear explosion test was composed. The system is comprised of high volume air sampler(HVAS), filter paper presser and high purity germanium detector(HPGe). Minimum detectable concentrations(MDCs) of the key nuclides requiring in CTBT monitoring strategies are determined by considering of decay time, counting time and flow rate of the high volume air sampler for the rapid explosion and the optimum measurement condition. The results were selected $10{\pm}$2h, $20{\pm}$2h and $850{\pm}50m^3$/h as parameters, respectively. The relation between the natural air-borne radionuclide concentration of $^{212}Pb$ and MDC were calculated which gave effect in the Compton continuum baseline due to those nuclides in the gamma-ray spectroscopy. These results can be used as an actually tool in the CTBT monitoring strategies.

• The Journal of the Korea Contents Association
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• v.13 no.2
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• pp.475-487
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• 2013

The aim of this study is to examine an existence of mutual interdependency in terms of military expenditure and arms imports between Northeast Asian countries such as South Korea, North Korea, China, Japan, and U.S. Recently, the mood of post cold war and intensified globalization lead to be disarmament in pursuing a policy on national defence in many countries. Since potential menace to national security has been receiving more concern rather than a direct armed clash, mutual interdependency on military spending should be fully understood. For a methodological tools, ${\beta}$ and ${\sigma}$-convergences, convergence with rational expectation, and Granger causality test are employed. Empirical evidence shows that the convergences which are evaluated by ${\beta}$, ${\sigma}$, and by a model based on rational expectation are in general revealed, and differences are more sensitive to a military decision making procedures. Granger causality, however, is not being existed. To this end, it would be concluded that the Northeast Asian countries are going with a trend in the world than forming their own tendency in this region.