Strike Fighter Program made substantial investments in PHM and related technologies . The Center for Advanced Life Cycle Engineering (CALCE) at the University of Maryland, College Park has a group dedicated to providing a research and knowledge base to support the advancement of health management with a focus on electronics. IEEE Aerospace Conference features one of the oldest tracks on prognostics and health management. The Society for Machinery Failure Prevention Technology (MFPT) has an annual meeting focusing on latest developments in practical applications in the field of PHM. The Prognostics Center of Excellence (PCoE) at the NASA Ames Research Center provides an umbrella for prognostic technology development applied to aerospace applications. It also maintains a data repository with run-to-failure data sets that are publicly accessible. The PHM Research Group of the French FEMTO-ST Institute develops methods and experiments for the prognostics of industrial systems. Prediction Maintenance Survival analysis