“…In 2004 United States Air Force, Navy and Army joined forces to launch a Propulsion Safety and Affordable Readiness [P-SAR] [1] initiative to mitigate the effects of this severe usage. Military aircraft operate in demanding roles from often minimally prepared sites, or seaborne platforms, that expose their propulsion systems to usage and degraders that challenge the best efforts of their designers, developers, builders, operators and maintainers.…”