Abstract
Reliability is the priority matter in one-shot guided weapon systems. The reliability prediction data is used during the development stage as the manufacturing cost is very high and the production quantity if quite limited. At the same time it takes relatively a long period of time to acquire a reliable operation data set after deployment such that in order to determine the operational reliability, weapons must be tested and analyzed in real operating environments. For the research, the life distributions were estimated by using actual operation data and the reliability was calculated by applying the method of least squares and maximum likelihood estimation. As a result, the actual reliability of each system was higher than predicted reliability. It was possible to confirm the actual operational reliability of domestic (ROK) guided weapon systems through this research and the methods used here will contribute to the reliability analyses for the future guided weapon systems to be developed.
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