ISO 9000 with a variety of quality assurance requirements for each contract awarded which led the defence industry to adopt mutual recognition of NATO AQAP, MIL-Q and Def Stan standards. Eventually, ISO 9000 was adopted as a suitable option, instead of forcing contractors to adopt multiple - and often similar - requirements. The global adoption of ISO 9001 may be attributable to a number of factors. In the early days, the ISO 9001 (9002 and 9003) requirements were intended to be used by procuring organizations, as the basis of contractual arrangements with their suppliers. This helped reduce the need for "supplier development"
ISO 14000 processes, and resources for developing, implementing, achieving, and maintaining the environmental policy." The ISO 14000 family includes most notably the ISO 14001 standard, which represents the core set of standards used by organizations for designing and implementing an effective environmental management system (EMS). Other standards in this series include ISO 14004, which gives additional guidelines for a good EMS, and more specialized standards dealing with specific aspects of environmental management. The major objective of the ISO 14000 series of norms is to provide "practical tools for companies and organizations of all kinds looking to manage their environmental responsibilities." The ISO