Mean Distance Between Failures (MDBF) : The average distance in miles that a vehicle travels before failure of a vital component forces removal of that vehicle from service
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}