The occurrence of an event that might have progressed to an accident but did not cause injury or damage but had the potential to do so.

An individual or team, from an independent organisation, that undertakes audits and other assessment activities to provide assurance that environmental activities comply with planned arrangements are implemented effectively and are suitable to achieve objectives; and whether related outputs are correct, valid and fit for purpose.

An individual or team, from an independent organisation, that undertakes audits and other assessment activities on behalf of MOD to provide assurance that safety activities comply with planned arrangements, are implemented effectively and are suitable to achieve objectives; and whether related outputs are correct, valid and fit for purpose.

Specific DE&S requirements that are articulated as instructions that, when followed, will ensure compliance with the related standard