• Parasites, Hosts and Diseases
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• 제48권3호
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• pp.237-243
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• 2010

Comprehensive quarterly serosurveillance on scrub typhus in small mammals collected from military training sites located near the Demilitarized Zone (DMZ), northern Gyeonggi-do (Province), ROK was conducted to determine the potential rodent-borne and associated ectoparasite disease risks to military personnel. A total of 1,196 rodents and insectivores representing 8 species, Apodemus agrarius (87.3%, n = 1,044), Mus musculus (5.4%, n = 65), Crocidura lasiura (3.3%, n = 40), Microtus fortis (2.6%, n = 31), Micromys minutus (0.3%, n = 4), Tscherskia triton (0.3%, n = 4), Rattus norvegicus (0.3%, n = 4), and Myodes regulus (0.3%, n = 4) were assayed for the presence of antibodies to Orientia tsutsugamushi. O. tsutsugamushi antibodies were detected in 6 of 8 species and seroprevalence determined; A. agrarius (45.6%), M. musculus (23.1%), M. fortis (48.4%), M. minutus (50.0%), T. triton (50.0%), and R. norvegicus (25.0%). A total of 31,184 chigger mites collected from 508 rodents and insectivores were slide-mounted and 10 species belonging to 4 genera were identified. Leptotrombidium pallidum (53.4%) was the most frequently collected, followed by L. pal pale (15.7%), Neotrombicula tam/yai (14.3%), L. orientate (10.7%), L. zetum (3.1%), Walchia fragilis (2.1%), and L. gemiticutum (0.8%), while the remaining 3 species, L subintennedium, N. gardellai, and Euschoengastia koreaensis were rarely observed (prevalence < 10%). In contrast to previous surveys, higher chigger indices of the primary scrub typhus vectors, L. pallidum (165.4), L. orientale (45.0), and L. palpate (21.4), were observed during the spring season.

• 한국국방경영분석학회지
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• 제33권2호
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• pp.101-113
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• 2007

국방부에서 발표한 '국방개혁에 관한 법률'에 따라 2014년까지 현역병들에 대한 복무기간이 단계적으로 단축될 예정이다. 이에 따라 육군에서는 좀 더 효율적인 직무교육 방안의 일환으로 훈련병들에게 '차등제 교육'을 시행하고 있다. 이러한 차등제 교육의 효과를 향상시키기 위해서는 훈련병들의 예상 학업 성취도를 미리 예측하여 성취집단별로 차별화 된 교육과정을 거치게 하는 것이 매우 중요하다. 따라서 본 연구에서는 입교초기에 얻을 수 있는 신병들의 제한된 자료들만을 이용하여 그들의 예상 교육 성취집단을 예측하는 모형을 개발하였다. 본 모형의 목적 변수는 '성취집단'이며 '일반관리 인원' 및 '집중관리 인원'의 두 가지 값을 갖는다. 사용된 기법은 인공신경망(Neural Network) 모형, 의사결정나무(Decision Tree) 모형, SVM 모형, 그리고 Naive Bayesian모형 등 4가지 순수 모형과, 각각의 순수 모형을 k-means군집기법과 혼합한 4가지의 혼합모형 등 총 8개의 모형의 성능을 비교 분석하였다. 실험 결과 k-means군집기법과 인공신경망 기법을 혼합한 모형이 가장 좋은 예측력을 보이는 것으로 나타났다. 이러한 교육 성취집단 예측 모형은 향후 군에서 이루어지는 다양한 교육 프로그램에 효과적으로 이용될 수 있을 것으로 기대된다.

• Strategy21
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• 통권37호
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• pp.5-31
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• 2015

The Republic of Korean Navy (ROKN) started from scratch. However, ROKN demonstrated its Blue Navy capabilities successfully to the entire world by conducting "Operation Early Dawn" at the Aden Bay, Yemen in Jan 2011. On the event of the 70th anniversary of the ROKN, I would like to retrospect past gleaning from voyages and challenges we had in the past. At the very inception of the ROKN, Korean government as well as senior military leaders recognized that it had no time to spare to clean up military those were insinuated deeply by communist agents. It was the top priority of the government. The Mongumpo Operation which was not well known, conducted by ROKN was one of the clean-up drive. The Korean War sometimes called as "a fire from land put-off at the sea". The world famous "Incheon Landing" which reversed war situation from the Nakdong Perimeter also done by Sea Power. ROKN conducted various maritime operations including not only Incheon Landing, but amphibious operation at Hungnam, mine sweeping, sea convoy, Wonsan Withdrawal. On the same day of the Korean War started, 25th June 1950, unless the victory of the ROKNS Baekdusan (PC 701) at the Korean Strait, the waning lamp light of Korea could not be rekindled by the participation of the U.N. The ROKN rescued the 17th regiment of Korean Army from the isolation at the Ongjin Peninsular and transported gold and silver bars stored at the Bank of Korea to the Navy supply deposit in Jinhae safely. ROKN special intelligence unit conducted critical HUMINT which led Incheon Landing success. One of important mission ROKN conducted successfully was not only transporting war fighting materials but also U.S. provided grains to starving Koreans. ROKN participated Vietnam campaign from 1960s and conducted numerous maritime transportation operations supplying materials to Vietnam military forces along the long coastal lines. Experienced Naval Officers and enlisted men who discharged and acquired as merchant marine certificate supported most of the U.S. sea lift operations throughout the Vietnam campaign. ROK-US Combined Forces which had been honed and improved its war fighting capabilities through the Korean War and out of Vietnam jungle playing key deterrent against threat from north Korea. However, those threat level will be completely different when north Korea finish its nuclear weapon ambition. In order to stand firm against north Korean nuclear threat, I would like to expect strong political leadership supporting nuclear submarine for ROKN.

• 기록학연구
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• 제23호
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• pp.45-86
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• 2010

이 글의 목적은 기록물의 보존가치 평가를 객관적이고 효율적으로 수행할 수 있는 방안을 제시하는 것이다. 모든 기록을 보존하여 후대에 전하는 것이 가장 안정적인 기록보존의 형태가 될 수는 있겠으나, 비용 대비 효과의 문제를 고려하지 않을 수 없고, 무엇보다 기록의 보존가치를 평가하여 중요기록물을 선별 보존함으로써 기록의 평가는 완성되기에 소위 말하는 평가론자들을 포함한 기록관리자들은 객관성을 담보할 수 있는 평가 기준을 찾기 위한 노력을 지속해 왔다. 그럼에도 불구하고 지금까지의 연구는 개략적인 기준의 제시, 기록물관리기관의 현실과 다소 동떨어진 이론적 분석 위주로 이루어졌다는 한계를 갖고 있다. 따라서 본 연구는 평가이론과 현행 기록관리법령을 기반으로 기록물관리기관에서 적용해볼 수 있는 보존가치 평가방안을 제시하고자 하였다. 즉, 생산자 의견조회는 단순한 조회로 그쳐서는 안 되며 다각적인 평가요소를 가미하여 판단할 수 있도록 '추가적인 업무활용 목적', '기록의 역사성', '기록의 유일성', '기록의 중요성(기록이 미치는 파급효과, 적용범위)', '기록의 증거력(향후 법적 분쟁 등에서의 증빙성)'으로 평가요소를 세분화하고 상 중 하의 계량적 평가를 실시해야 한다. 기록관리전문요원 심사 역시 '거시적 평가', '분류기준표(기록관리기준표)상의 보존기간', '관계법령, 훈령 및 규정상에 책정된 보존기간(법령 및 규정류)', '기록의 역사성', '기록의 유일성', '기록의 중요성(기록이 미치는 파급효과, 적용범위)', '기록의 증거력(향후 법적 분쟁 등에서의 증빙성)'으로 평가요소를 세분화하고 요소별 계량적 평가를 실시함으로써 어느 정도의 객관성과 신뢰성을 확보할 수 있다. 본 논문이 모든 기록물관리기관에서 모범적으로 참고할만한 보존가치 평가 방안을 제시할 수는 없다. 그러나 평가이론과 법적 테두리 속에서 다양한 평가 요소를 계량화하고 객관성을 확보하려는 시도를 통해 기록물관리기관에서 당면하고 있는 적체된 보존기간 경과 기록에 대한 평가 업무를 활성하고 후속연구와 평가론 진화의 단초를 제시하고자 하였다.

• 한국산학기술학회논문지
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• 제20권5호
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• pp.47-55
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• 2019

한국군은 군 구조 개편 및 병력 감축 등 변화될 미래 전장 환경에 대비하여 보다 효율적인 군수지원 체계를 갖추기 위해 군수지원 체계 구조 개편을 진행하고 있다. 본질적으로 군수지원 체계는 다양한 규모의 부대가 상호 연결된 공급네트워크 구조를 가지는 특성이 있다. 이러한 공급네트워크의 구조는 공급네트워크의 효율성을 좌우 할 수 있는 요인으로 주목 받고 있다. 그동안 군 공급네트워크와 관련한 연구는 재고관리, 수송, 공급사슬 관리 방법론, 물류비용 측면에서 폭 넓고 다양하게 연구되어 왔으나, 군 공급네트워크의 구조 효율성 분석에 대한 연구는 상대적으로 미진한 실정이다. 따라서 본 논문에서는 군 공급네트워크의 구조와 효율성 사이의 상관분석을 수행하여 군 공급네트워크 구조의 어떤 특성이 효율성에 영향을 미치는 요인이 되는지를 식별하는 연구를 수행하였다. 이를 위해 먼저, 최근 폭 넓게 활용되고 있는 사회연결망분석 방법론을 사용하여 군 공급네트워크의 구조적 영향 요인으로 연결, 인접, 사이 중앙성 값을 측정한다. 측정된 중앙성 값은 군 공급네트워크의 효율성 측정지표로써 측정된 가중 평균경로거리와 회귀분석을 수행하여 상관관계를 분석하여 어떠한 군 공급네트워크의 구조적 영향 요인이 효율성에 영향을 끼치는지 식별한다. 본 연구는 향후 발전적인 공급네트워크 설계를 위한 영향 요소를 식별하였다는데 의미가 있다.

• 디지털융복합연구
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• 제20권3호
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• pp.201-209
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• 2022

군(軍)이 가상현실 기술을 다양한 교육훈련체계에 도입을 검토하여 충분히 활용하기 위해서는 해당 기술 및 교육체계의 특성을 반영하는 사업화 특성에 대한 정확한 파악과 선별적인 적용이 중요할 것이다. 본 연구에서는 가상현실 기반의 교육훈련체계 사업화 시 고려해야 할 요인들에 대해서 AHP(Analitic Hierarchy Process)기법을 통해 평가기준을 선정하고 추진 과제들의 우선순위를 판단해보았다. 선행연구를 기초로 초기 AHP 모델을 구성하여 레벨 1의 평가 기준으로 현실성 등 6개 요소에 대한 상대적인 중요도를 분석하였다. 다음으로 레벨 2는 6개의 평가 기준에 11개 과제별 중요도의 확인을 위해 각각의 평가 기준을 대상으로 분석하여 과제별 우선순위를 선정하였다. 분석결과 레벨 1에서는 현실성 및 파급성이 다른 요소에 비해 높은 중요도를 나타내었다. 최종 상대적 중요도를 평가한 결과는 ① 비행훈련, ② 재난훈련, ③ 포탄 사격, ④ 차량 운전 순으로 우선순위가 나타났다. 본 연구에서 제시한 모델의 레벨 1과 2에서 결정된 상대적 우선순위를 바탕으로 국방 가상현실 과제 연구 우선순위의 최종 의사결정에 필요한 사업별 중요도를 제시하였다. 본 연구를 통해 국방 분야의 교육훈련체계 사업화에 대한 우선순위 선정에 참고자료로 활용될 수 있을 것으로 기대된다.

• 문화기술의 융합
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• 제10권4호
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• pp.17-22
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• 2024

2023년 10월 7일 발발한 전쟁은 장기화하면서 중동지역으로 확대되고 있다. 전쟁의 피해도 증가하지만, 가자지구에 대한 인도주의 지원은 UNRWA의 일탈행위로 지원 중단에 봉착하였다. 강대국은 지원을 중단하였고, UN은 가자지구 지원을 호소하고 있다. 모든 피해는 가자지구에 있는 민간인, 특히 여성, 아동, 노약자의 몫이다. 이스라엘은 가자지구에 대피구역과 대피로를 선정하고, 국경지역에 인도주의 지원 통로를 마련했다. 하지만 하마스의 민간인 밀집지역과 병원, 학교 등 민간시설을 방패로 지하터널에서 항전은 더욱 민간인 피해를 증폭시켰다. 이번 이스라엘-하마스 전쟁은 국제사회가 인간안보 차원에서 접근이 필요하다. 우리는 UN의 기능과 역할에 힘을 실어주어 인도주의 물자가 현장에 전달되고 인도주의 개입군을 통해 인간의 존엄성과 기본권을 보장하도록 해야 한다. 이스라엘-하마스 전쟁을 통해 UN 역할의 신뢰성을 회복해야 할 것이다. 더불어 한국은 인도주의적 지원과 물품 반입을 촉구하며, 생필품, 약품 등 인도주의적 물품을 지원해야 할 것이다. 향후 UN 평화유지군의 일원으로 투입할 준비도 병행해야 한다. 이러한 활동은 한국이 '글로벌 중추적 중추국가'로서 소임을 다하는 모범국가로 발돋움하며, 향후 한반도 위기 시 국제적 지원에 선순환 작용을 할 것이다.

• 안보군사학연구
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• 통권9호
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• pp.313-340
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• 2011

The National Defense Reformation bill of "National Defense Reformation 2020" which have been constantly disputed and reformed by the government went through various levels of complementary measures after the North Korean sinking on the Republic of Korea (ROK) Naval Vessel "Cheonan". The final outcome of this reform is also known as the 307 Plan and this was announced on the 8th March. The reformed National Defense Reformation is to reduce the number of units and military personnel under the military structure reformation. However, in order for us to undertake successful National Defense Reformation, the use of privatized civilian resources are essential. Therefore according to this theory, the ROK Ministry of National Defense (MND) have selected the usage of privatized resources as one of the main core agenda for the National Defense Reformation management procedures, and under this agenda the MND plans to further expand the usage of private Especially the MND plans to minimize the personnel resources applied in non-combat areas and in turn use these supplemented personnel with optimization. In order to do this, the MND have initiated necessary appropriate analysis over the whole national defense section by understanding various projects and acquisition requests required by each militaries and civilian research institutions. However for efficient management of privatized civilian resources, first of all, those possible efficient private resources which can achieve optimization will need to be identified, and secondly continuous systematic reinforcements will need to be made in private resource usage legislations. Furthermore, we would need to consider the possibility of labor disputes because of privatization expansion. Therefore, full legal and systematic complementary measures are required in all possible issue arising areas which can affect the combat readiness posture. There is another problem of huge increase in operational expenses as reduction of standby forces are only reducing the number of soldiers and filling these numbers with more cost expensive commissioned officers. However, to overcome this problem, we would need to reduce the number of positions available for active officers and fill these positions with military reserve personnel who previously had working experiences with the related positions (thereby guaranteeing active officers re-employment after completing active service). This would in tum maintain the standards of combat readiness posture and reduce necessary financial budgets which may newly arise. The area of maintenance, supply, transportation, training & education duties which are highly efficient when using privatized resources, will need to be transformed from military management based to civilian management based system. For maintenance, this can be processed by integrating National Maintenance Support System. In order for us to undertake this procedure, we would need to develop maintenance units which are possible to be privatized and this will in turn reduce the military personnel executing job duties, improve service quality and prevent duplicate investments etc. For supply area, we will need to establish Integrated Military Logistics Center in-connection with national and civilian logistics system. This will in turn reduce the logistics time frame as well as required personnel and equipments. In terms of transportation, we will need to further expand the renting and leasing system. This will need to be executed by integrating the National Defense Transportation Information System which will in turn reduce the required personnel and financial budgets. Finally for training and education, retired military personnel can be employed as training instructors and at the military academy, further expansion in the number of civilian professors can be employed in-connection with National Defense Reformation. In other words, more active privatized civilian resources will need to be managed and used for National Defense Reformation.

• 동굴
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• 제68호
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• pp.23-73
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• 2005

Purpose of study; The purpose of this study is specifically classified as two parts. The one is to attempt the chronological annals of Quaternary topographic surface through the study over the formation process of alluvial surfaces in our country, setting forth the alluvial surfaces lower-parts of Han River area, as the basic deposit, and comparing it to the marginal landform surfaces. The other is to attempt the classification of micro morphology based on the and condition premising the land use as a link for the regional development in the lower-parts of Han river area. Reasons why selected the Lower-parts of Han river area as study objects: 1. The change of river course in this area is very serve both in vertical and horizontal sides. With a situation it is very easy to know about the old geography related to the formation process of topography. 2. The component materials of gravel, sand, silt and clay are deposited in this area. Making it the available data, it is possible to consider about not oかy the formation process of topography but alsoon the development history to some extent. 3. The earthen vessel, a fossil shell fish, bone, cnarcoal and sea-weed are included in the alluvial deposition in this area. These can be also valuable data related to the chronological annals. 4. The bottom set conglometate beds is also included in the alluvial deposits. This can be also valuable data related to the research of geomorphological development. 5. Around of this area the medium landform surface, lower landform surface, pediment and basin, are existed, and these enable the comparison between the erosion surfaces and the alluvial surfaces. Approach : 1. Referring to the change of river beds, I have calculated the vertical and horizontal differences comparing the topographic map published in 1916 with that published in 1966 and through the field work 2. In classifying the landform, I have applied the method of micro morphological classification in accordance with the synthetic index based upon the land conditions, and furthermore used the classification method comparing the topographic map published in 1916 and in that of 1966. 3. I have accorded this classification with the classification by mapping through appliying the method of classification in the development history for the field work making the component materials as the available data. 4. I have used the component materials, which were picked up form the outcrop of 10 places and bored at 5 places, as the available data. 5. I have referred to Hydrological survey data of the ministry of Construction (since 1916) on the overflow of Han-river, and used geologic map of Seoul metropolitan area. Survey Data, and general map published in 1916 by the Japanese Army Survbey Dept., and map published in 1966 by the Construction Research Laboratory and ROK Army Survey Dept., respectively. Conclusion: 1. Classification of Morphology: I have added the historical consideration for development, making the component materials and fossil as the data, to the typical consideration in accordance with the map of summit level, reliefe and slope distribution. In connection with the erosion surface, I have divided into three classification such as high, medium and low-,level landform surfaces which were classified as high and low level landform surfaces in past. furthermore I have divided the low level landform surface two parts, namely upper-parts(200-300m) and bellow-parts(${\pm}100m$). Accordingly, we can recognize the three-parts of erosion surface including the medium level landform surface (500-600m) in this area. (see table 22). In condition with the alluvial surfaces I have classified as two landform surfaces (old and new) which was regarded as one face in past. Meamwhile, under the premise of land use, the synthetic, micro morphological classification based upon the land condition is as per the draw No. 19-1. This is the quite new method of classification which was at first attempted in this country. 2. I have learned that the change of river was most severe at seeing the river meandering rate from Dangjung-ni to Nanjido. As you seee the table and the vertical and horizontal change of river beds is justly proportionable to the river meandering rate. 3. It can be learned at seeing the analysis of component materials of alluvial deposits that the component from each other by areas, however, in the deposits relationship upper stream, and between upper parts and below parts I couldn't always find out the regular ones. 4. Having earthern vessel, shell bone, fossil charcoal and and seaweeds includen in the component materials such as gravel, clay, sand and silt in Dukso and Songpa deposits area. I have become to attempt the compilation of chronicle as yon see in the table 22. 5. In according to hearing of basemen excavation, the bottom set conglomerate beds of Dukso beds of Dukso-beds is 7m and Songpa-beds is 10m. In according to information of dredger it is approx. 20m in the down stream. 6. Making these two beds as the standard beds, I have compared it to other beds. 7 The coarse sand beds which is covering the clay-beds of Dukso-beds and Nanjidobeds is shown the existence of so-called erosion period which formed the gap among the alluvial deposits of stratum. The former has been proved by the sorting, bedding and roundness which was supplied by the main stream and later by the branch stream, respectively. 8. If the clay-beds of Dukeo-bed and Songpa-bed is called as being transgressive overlap, by the Eustatic movement after glacial age, the bottom set conglomerate beds shall be called as being regressive overlap at the holocene. This has the closest relationship with the basin formation movement of Seoul besides the Eustatic movement. 9. The silt-beds which is the main component of deposits of flood plain, is regarded as being deposited at the Holocene in the comb ceramic and plain pottery ages. This has the closest relationship with the change of river course and river beds.

• 안보군사학연구
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• 통권13호
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• pp.687-738
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• 2016

To prepare for the complicated international relationship regarding Korean Peninsula after reunification, this thesis started off with the awareness that Unified Korea should build its international posture and national security at an early stage by determining its appropriate military strength for independent defense and military strategies that Unified Korea should aim. The main theme of this thesis is 'The research on appropriate military strength of the Unified Korean military'. To derive appropriate military strength of Unified Korea, this research focuses on conflict scenario and relative balance strategy based on potential threats posed by neighboring countries, and this is the part that differentiates this research from other researches. First of all, the main objective of the research is to decide appropriate military strength for Unified Korea to secure defense sufficiency. For this, this research will decide efficient military strategy that Unified Korea should aim. Than by presuming the most possible military conflict scenario, this research will judge the most appropriate military strength for Unified Korea to overcome the dispute. Second, after deciding appropriate military strength, this research will suggest how to operate presumed military strength in each armed force. The result of this thesis is as in the following. First, Unified Korea should aim 'relative balance strategy'. 'Relative balance strategy' is a military strategy which Unified Korea can independently secure defense sufficiency by maintaining relative balance when conflicts occur between neighboring countries. This strategy deters conflicts in advance by relative balance of power in certain time and place. Even if conflict occurs inevitably, this strategy secures initiative. Second, when analyzing neighboring countries interest and strategic environment after unification, the possibility of all-out war will be low in the Korean Peninsula because no other nation wants the Korean Peninsula to be subordinated to one single country. Therefore appropriate military strength of the Unified Korean military would be enough when Unified Korea can achieve relative balance in regional war or limited war. Third, Northeast Asia is a region where economic power and military strength is concentrated. Despite increasing mutual cooperation in the region, conflicts and competition to expand each countries influence is inherent. Japan is constantly enhancing their military strength as they aim for normal statehood. China is modernizing their military strength as they aspire to become global central nation. Russia is also enhancing their military strength in order to hold on to their past glory of Soviet Union as a world power. As a result, both in quality and quantity, the gap between military strength of Unified Korea and each neighboring countries is enlarged at an alarming rate. Especially in the field of air-sea power, arms race is occurring between each nation. Therefore Unified Korea should be equipped with appropriate military strength in order to achieve relative balance with each threats posed by neighboring countries. Fourth, the most possible conflicts between Unified Korea and neighboring countries could be summarized into four, which are Dokdo territorial dispute with Japan, Leodo jurisdictional dispute with China, territorial dispute concerning northern part of the Korea Peninsula with China and disputes regarding marine resources and sea routes with Russia. Based on those conflict scenarios, appropriate military strength for Unified Korea is as in the following. When conflict occurs with Japan regarding Dokdo, Japan is expected to put JMSDF Escort Flotilla 3, one out of four of its Japan Maritime Self-Defense Force Escort Fleet, which is based in Maizuru and JMSDF Maizuru District. To counterbalance this military strength, Unified Korea needs one task fleet, comprised with three task flotilla. In case of jurisdictional conflict with China concerning Leodo, China is expected to dispatch its North Sea fleet, one out of three of its naval fleet, which is in charge of the Yellow Sea. To response to this military action, Unified Korea needs one task fleet, comprised with three task flotilla. In case of territorial dispute concerning northern part of the Korean Peninsula with China, it is estimated that out of seven Military Region troops, China will dispatch two Military Region troops, including three Army Groups from Shenyang Military Region, where it faces boarder with the Korean Peninsula. To handle with this military strength, Unified Korea needs six corps size ground force strength, including three corps of ground forces, two operational reserve corps(maneuver corps), and one strategic reserve corps(maneuver corps). When conflict occurs with Russia regarding marine resources and sea routes, Russia is expected to send a warfare group of a size that includes two destroyers, which is part of the Pacific Fleet. In order to balance this strength, Unified Korea naval power requires one warfare group including two destroyers. Fifth, management direction for the Unified Korean military is as in the following. Regarding the ground force management, it would be most efficient to deploy troops in the border area with china for regional and counter-amphibious defense. For the defense except the border line with china, the most efficient form of force management would be maintaining strategic reserve corps. The naval force should achieve relative balance with neighboring countries when there is maritime dispute and build 'task fleet' which can independently handle long-range maritime mission. Of the three 'task fleet', one task fleet should be deployed at Jeju base to prepare for Dokdo territorial dispute and Leodo jurisdictional dispute. Also in case of regional conflict with china, one task fleet should be positioned at Yellow Sea and for regional conflict with Japan and Russia, one task fleet should be deployed at East Sea. Realistically, Unified Korea cannot possess an air force equal to neither Japan nor China in quantity. Therefore, although Unified Korea's air force might be inferior in quantity, they should possess the systematic level which Japan or China has. For this Unified Korea should build air base in island areas like Jeju Island or Ullenong Island to increase combat radius. Also to block off infiltration of enemy attack plane, air force needs to build and manage air bases near coastal areas. For landing operation forces, Marine Corps should be managed in the size of two divisions. For island defense force, which is in charge of Jeju Island, Ulleung Island, Dokdo Island and five northwestern boarder island defenses, it should be in the size of one brigade. Also for standing international peace keeping operation, it requires one brigade. Therefore Marine Corps should be organized into three divisions. The result of the research yields a few policy implications when building appropriate military strength for Unified Korea. First, Unified Korea requires lower number of ground troops compared to that of current ROK(Republic of Korea) force. Second, air-sea forces should be drastically reinforced. Third, appropriate military strength of the Unified Korean military should be based on current ROK military system. Forth, building appropriate military strength for Unified Korea should start from today, not after reunification. Because of this, South Korea should build a military power that can simultaneously prepare for current North Korea's provocations and future threats from neighboring countries after reunification. The core of this research is to decide appropriate military strength for Unified Korea to realize relative balance that will ensure defense sufficiency from neighboring countries threats. In other words, this research should precisely be aware of threats posed by neighboring countries and decide minimum level of military strength that could realize relative balance in conflict situation. Moreover this research will show the path for building appropriate military strength in each armed force.