What is a basic reason for creating emphasis on air intercept missiles (AIM) and air-to-ground missile (AGM) reliability monitoring systems?

a. the need to determine how well en equipment item meets its functioning requirement and how that item will perform in the future
b. the need to determine the location of missile equipment items and to assess the risk involved with transporting them
c. lack of oversight in the past resulting in congressional mandates and regulations
d. the fact that AIM and AGM assets are classified and need constant monitoring