An Analysis and Decision-making of Ammunition Invalidation Based on FTA

There are many factors which affect each other and bring on invalidation of ammunition. it is important to find out the most dangerous factors in the course of using ammunition. The dominating factors which affect ammunition invalidation were analyzed and the quantization methods of different kind of factors were put forward. The keystone of FTA was researched. Qualitative and quantitative analysis of ammunition invalidation were made using FTA method. The conclusion indicates that the method can availably estimate the most dangerous factors of ammunition invalidation and offer decision-making evidence for some institutions to maintain ammunition.