NAVALPOSTGRADUATESCHOOLMONTEREY,CALIFORNIATHESISTEST AND EVALUATION OF AN IMAGE-MATCHINGNAVIGATION SYSTEM FOR A UAS OPERATING IN AGPS-DENIED ENVIRONMENTbyKeng Siew Aloysius HanSeptember 2017Thesis AdvisorOleg YakimenkoCo-AdvisorRyan DeckerApproved for public release.Distribution is unlimited.