• Title/Summary/Keyword: Army Aircraft

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A Study on the Concept of Convergence and Combined Combat Based on South Korean-style AICBM for the Victory of Future War (미래전 승리를 위한 한국형 AICBM 기반 융·복합 전투개념 연구)

  • Jung, Min-Sub;Lee, Woong;Park, Sang-Hyuk
    • The Journal of the Convergence on Culture Technology
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    • v.6 no.2
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    • pp.321-325
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    • 2020
  • The purpose of this study is to re-concept the future battle of the Army, which combines the effects of advanced technology on the concept of combat and the AICBM technology. The "war concept" changes with the times, and can be seen through the following two examples. First, it is a concept that achieves relative superiority by analyzing enemies. A case in point is the U.S. military's development of a "public joint battle" into a "multi-domain operation." Second, it is 'science and technology' that leads to a change in the concept of combat. A case in point is that the firepower warfare on land and sea in World War I developed from World War II to "air warfare" due to the emergence of aircraft. In this regard, the U.S. military is focusing on the concept of fighting in line with the future operational environment based on high-tech science and technology and the construction of the future military through the creation of the "Future Command." Therefore, our military needs to utilize the major technologies of the fourth industrial revolution as an opportunity to develop the concept of future combat, and the future war will greatly affect the development of the concept of advanced science and technology carrying out war, as AIC technology based on the fourth industrial revolution will promote innovation in defense operations in the form of super-connected, super-intelligence and super-integration. Therefore, this study will present the impact of advanced technology on the concept of combat and the concept of battle of the future Army incorporating the technology of AICBM.

Study on the soil contamination characteristics according to the functions of the returned U.S. military base (반환미군기지 기능별 토양오염특성에 관한 연구)

  • Oh, Chang-Gyu
    • Journal of Environmental Impact Assessment
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    • v.22 no.5
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    • pp.481-489
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    • 2013
  • There are U.S. troops with a force about 290,000 strong stationed all around the world, approximately 150 countries. Among the troops, USFK has performed principal part with its stationing for 50 years against the military threat of North Korea. However, as a result of an investigation made into environmental contamination of several bases which were restituted from US to ROK by the Land Partnership Plan in the process of relocation of USFK, it was found that the area was contaminated by not only TPH and BTEX caused by diesel fuel and JP-8 but also various heavy metal over the standard level according to the operations of corps. Among these bases, 4 corps, each of which has different duties and function, were chosen to be analyzed for the characteristics and degrees of soil contamination. Fisrt of all, in armored camp the soil was contaminated by TPH and heavy metal (Zn, Ni, Pb) due to the repairing activities of tracked vehicles and shooting exercises. In army aviation camp, the soil was contaminated by TPH, BTEX and heavy metal (Zn, Cd) due to repairing activities of aircrafts. Also, in engineer camp there was contaminated area polluted by TPH and heavy metal (Zn, Pb) caused by open-air storage of various construction materials and TPH, BTEX and heavy metal (Zn, Pb, Cu) contamination of aircraft shooting area in shooting range camp were detected. Managing environment will be more effective when we identify the contaminative characteristics and take necessary measures in advance.

A Study on the Development Plan of Aerospace Industry and the Activation of Digital Aerospace Industry - Focused on the Gimpo Area - (항공산업발전계획과 디지털항공산업의 활성화에 관한 연구 - 김포지역을 중심으로 -)

  • Cho, Jeong-Hwan;Yoon, Kyung-Bae
    • Journal of Digital Convergence
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    • v.9 no.3
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    • pp.59-67
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    • 2011
  • The World aerospace industry grows consistently with the development digital technology. We study the activation of the digital aerospace industry based on avionics system, with respect to demand, system and industrial structure in the gimpo area. The strategy is made for aerospace industry to be a growth driver and then we suggest some projects to carry out it. Those are lasting creation of aerospace demand, possession of core part material and competitive digital technology, construction infrastructure for activation of system operation, improvement of administrative assistance system and finally strengthening policy modulation between civil, company, army, academy, and government. Therefore, it is possible to develop into it focusing the MRO and the Helicopter, if we complement systems related in the field of administration and Industry.

Conceptual Design and Flight Testing of a Synchropter Drone (Synchropter 드론의 개념설계 및 비행시험)

  • Chung, Injae;Moon, Jung-ho
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.48 no.12
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    • pp.997-1004
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    • 2020
  • A synchropter is a type of rotorcraft in which a pair of blades inclined with each other rotates in synchronization. Removing the tail rotor enables an efficient and compact configuration similar to a coaxial-rotor helicopter. This paper describes the design and flight test results of a small synchropter to examine the suitability of a drone system for the army. The synchropter in this paper is a small vehicle with a rotor diameter of 1.4m and a weight of 7kg and was assembled based on commercial parts to examine flight characteristics effectively. The flight control system adopted Pixhawk, which is designed based on an open-architecture. The model-based design technique is applied to develop the control law of the synchropter and a new firmware embedded on the Pixhawk. Through qualitative flight tests, we analyzed the flight characteristics. As a result of the analysis, we confirmed the possibility of application as a drone system of the synchropter.

A Comparative Study on Preference of the Korean Army's Flight Jacket According to Working Environment (근무 환경에 따른 육군 비행재킷의 선호도 비교 연구)

  • Choi, Hee Eun;Choi, Kueng-mi
    • Fashion & Textile Research Journal
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    • v.22 no.6
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    • pp.844-852
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    • 2020
  • This study is to understand the preferences of pilots, flight engineers and crew who work in the same aircraft but are exposed to different working environments and perform different mission operations in order to develop an ergonomic flight jacket. Based on a preliminary investigation, a survey of 107 pilots and 36 flight engineers and crew was conducted. The results are as follows; Pilots can control the temperature inside the cockpit, so they are less exposed to the cold when working, while flight engineers and crew are exposed to the cold more because they have many external tasks. The reason for the problem of the current flight jacket was a difference in ranking between two groups, but the highest ranking was poor dimensional suitability due to the habit of wearing layers of clothing. As a result of preferred design, there were significant differences between groups in the item of overall style. Pilots preferred a bomber jacket style(P:68.2%, E&C:44.4%), on the other hand, flight engineers and crew preferred a field jacket style(P:26.2%, E&C:55.6%)(p<.01). They preferred a stand collar(P:71.0%, E&C:86.1%), a fastener slider for a front fastening(P:62.6%, E&C:61.1%), fastener tape cuffs(P:54.2%, E&C:47.2%), a jacket with a softshell(P:86.9%, E&C:83.3%), fleece as softshell material(P:88.8%, E&C:69.4%), and fastener sliders as a attaching method(P:69.2%, E&C:61.1%). A hem fastening will be selected differently according to the overall style of outshell. Additionally, they preferred more than 5ea pockets(P:51.4%, E&C:44.4%), fastener sliders as pocket's fastenings(P:48.6%, E&C:61.1%), armpit ventilations(P:62.9%, E&C:58.5%). The results of above will be considered to design an ergonomic flight jacket.

Numerical Simulation of Crash Impact Test for Fuel Tank of Rotorcraft (회전익항공기용 연료탱크 충돌충격시험 수치모사 연구)

  • Kim, Hyun-Gi;Kim, Sung-Chan;Lee, Jong-Won;Hwang, In-Hee;Kim, Kyung-Soo
    • Journal of the Computational Structural Engineering Institute of Korea
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    • v.24 no.5
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    • pp.521-530
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    • 2011
  • Since aircraft fuel tanks have many interfaces connected to the airframe as well as the fuel system, they have been considered as one of the system-dependent critical components. Crashworthy fuel tanks have been widely implemented to rotorcraft and rendered a great contribution for improving the survivability of crews and passengers. Since the embryonic stage of military rotorcraft history began, the US army has developed and practised a detailed military specification documenting the unique crashworthiness requirements for rotorcraft fuel tanks to prevent most, hopefully all, fatality due to post-crash fire. The mandatory crash impact test required by the relevant specification, MIL-DTL-27422D, has been recognized as a non-trivial mission and caused inevitable delay of a number of noticeable rotorcraft development programs such as that of V-22. The crash impact test itself takes a long-term preparation efforts together with costly fuel tank specimens. Thus a series of numerical simulations of the crash impact test with digital mock-ups is necessary even at the early design stage to minimize the possibility of trial-and-error with full-scale fuel tanks. In the present study the crash impact simulation of a few fuel tank configurations is conducted with the commercial package, Autodyn, and the resulting equivalent stresses and internal pressures are evaluated in detail to suggest a design improvement for the fuel tank configuration.

Code for Unplanned Encounters at Sea(CUES): Its Limitation and Recommendations for Improvement (해상에서의 우발적 조우 시 신호 규칙(CUES)의 제한점과 개선을 위한 제언)

  • Oh, Dongkeon
    • Strategy21
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    • s.44
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    • pp.323-351
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    • 2018
  • Adopted in Western Pacific Naval Symposium(WPNS) 2014, Code for Unplanned Encounters at Sea(CUES) has been the most valuable output of WPNS history. Written and suggested by Australian Navy in 1999, the goal of CUES is to decrease the possibility of the naval conflict by establishing the code among international navies in the Western Pacific region. Facing many oppositions and requirement of People's Liberation Army Navy(PLAN) in WPNS 2012 and 2013, but it finally adopted in WPNS 2014, with many changes in detailed provisions. From then, navies in the Western Pacific region have followed CUES to prevent maritime conflicts in the region, CUES, however, sometimes does not work correctly. Contents of CUES is the mixture of the parts of Multinational Maritime Tactical Signal and Maneuvering Book(MTP) and International Regulations for Preventing Collision at Sea 1972(CORLEGs). There are means of radio communications such as frequency and signals, instructions for maneuvering and so on. Thus, it is not a new document for the U.S. Navy and its allies, but it requires training to implicate at sea for navies other than U.S. allies, like PLAN. Lots of provisions in CUES were changed because of the opposition of PLAN, and CUES has many shortcomings and practical limitations. First, since CUES is non-legally binding, and there are no methods to force the naval assets on the sea to follow. Second, CUES is only applied to naval assets; naval ships - warships, naval auxiliaries, and submarines - and naval aircraft. Third, the geographical scope in CUES is not clear. Fourth, there is no provision for submerged submarines. Finally, CUES has no time-based framework or roadmap for training. In this regard, there would be six recommendations for improvement. First, CUES should be reviewed by WPNS or other international institutions, while keeping non-binding status so that WPNS could send signals to the navies which do not answer CUES on the sea. Second, the participation of Maritime Law Enforcements(MLEs) such as coast guard is inevitable. Third, navies would use full text of MTP rather than current CUES, which extracts some parts of MTP. Fourth, CUES needs provisions with respect to submerged submarines, which recognizes as offensive weapons themselves. Fifth, the geographic scope of CUES should be clear. Since there are some countries in which claim that a rock with a concrete structure is their territory, CUES should be applied on every sea including EEZ and territorial seas. Finally, the detailed training plan is required to implicate CUES at sea. Rim of the Pacific (RIMPAC) is a good exercise to train CUES, because almost all WPNS member countries except six countries are participating in RIMPAC. CUES is a meaningful document not only for navies but also for nation-states in the region. To prevent escalation of conflict in the region, potentially caused by an unplanned collision at sea, CUES should be applied more strictly. CUES will continue to be in subsequent WPNS and therefore continue to improve in the effectiveness as both an operational and diplomatic agreement.

PRC Maritime Operational Capability and the Task for the ROK Military (중국군의 해양작전능력과 한국군의 과제)

  • Kim, Min-Seok
    • Strategy21
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    • s.33
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    • pp.65-112
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    • 2014
  • Recent trends show that the PRC has stepped aside its "army-centered approach" and placed greater emphasis on its Navy and Air Force for a wider range of operations, thereby reducing its ground force and harnessing its economic power and military technology into naval development. A quantitative growth of the PLA Navy itself is no surprise as this is not a recent phenomenon. Now is the time to pay closer attention to the level of PRC naval force's performance and the extent of its warfighting capacity in the maritime domain. It is also worth asking what China can do with its widening naval power foundation. In short, it is time to delve into several possible scenarios I which the PRC poses a real threat. With this in mind, in Section Two the paper seeks to observe the construction progress of PRC's naval power and its future prospects up to the year 2020, and categorize time frame according to its major force improvement trends. By analyzing qualitative improvements made over time, such as the scale of investment and the number of ships compared to increase in displacement (tonnage), this paper attempts to identify salient features in the construction of naval power. Chapter Three sets out performance evaluation on each type of PRC naval ships as well as capabilities of the Navy, Air Force, the Second Artillery (i.e., strategic missile forces) and satellites that could support maritime warfare. Finall, the concluding chapter estimates the PRC's maritime warfighting capability as anticipated in respective conflict scenarios, and considers its impact on the Korean Peninsula and proposes the directions ROK should steer in response. First of all, since the 1980s the PRC navy has undergone transitions as the focus of its military strategic outlook shifted from ground warfare to maritime warfare, and within 30 years of its effort to construct naval power while greatly reducing the size of its ground forces, the PRC has succeeded in building its naval power next to the U.S.'s in the world in terms of number, with acquisition of an aircraft carrier, Chinese-version of the Aegis, submarines and so on. The PRC also enjoys great potentials to qualitatively develop its forces such as indigenous aircraft carriers, next-generation strategic submarines, next-generation destroyers and so forth, which is possible because the PRC has accumulated its independent production capabilities in the process of its 30-year-long efforts. Secondly, one could argue that ROK still has its chances of coping with the PRC in naval power since, despite its continuous efforts, many estimate that the PRC naval force is roughly ten or more years behind that of superpowers such as the U.S., on areas including radar detection capability, EW capability, C4I and data-link systems, doctrines on force employment as well as tactics, and such gap cannot be easily overcome. The most probable scenarios involving the PRC in sea areas surrounding the Korean Peninsula are: first, upon the outbreak of war in the peninsula, the PRC may pursue military intervention through sea, thereby undermining efforts of the ROK-U.S. combined operations; second, ROK-PRC or PRC-Japan conflicts over maritime jurisdiction or ownership over the Senkaku/Diaoyu islands could inflict damage to ROK territorial sovereignty or economic gains. The PRC would likely attempt to resolve the conflict employing blitzkrieg tactics before U.S. forces arrive on the scene, while at the same time delaying and denying access of the incoming U.S. forces. If this proves unattainable, the PRC could take a course of action adopting "long-term attrition warfare," thus weakening its enemy's sustainability. All in all, thiss paper makes three proposals on how the ROK should respond. First, modern warfare as well as the emergent future warfare demonstrates that the center stage of battle is no longer the domestic territory, but rather further away into the sea and space. In this respect, the ROKN should take advantage of the distinct feature of battle space on the peninsula, which is surrounded by the seas, and obtain capabilities to intercept more than 50 percent of the enemy's ballistic missiles, including those of North Korea. In tandem with this capacity, employment of a large scale of UAV/F Carrier for Kill Chain operations should enhance effectiveness. This is because conditions are more favorable to defend from sea, on matters concerning accuracy rates against enemy targets, minimized threat of friendly damage, and cost effectiveness. Second, to maintain readiness for a North Korean crisis where timely deployment of US forces is not possible, the ROKN ought to obtain capabilities to hold the enemy attack at bay while deterring PRC naval intervention. It is also argued that ROKN should strengthen its power so as to protect national interests in the seas surrounding the peninsula without support from the USN, should ROK-PRC or ROK-Japan conflict arise concerning maritime jurisprudence. Third, the ROK should fortify infrastructures for independent construction of naval power and expand its R&D efforts, and for this purpose, the ROK should make the most of the advantages stemming from the ROK-U.S. alliance inducing active support from the United States. The rationale behind this argument is that while it is strategically effective to rely on alliance or jump on the bandwagon, the ultimate goal is always to acquire an independent response capability as much as possible.