Use of specialised personnel and equipment to locate persons in distress or in danger and remove them from a place of actual or potential danger to a place of relative safety
Cabinet Office, Civil Protection Lexicon: A developing single point of reference for UK Civil Protection terminology, Version 1.0, UK 2009. http://webarchive.nationalarchives.gov.uk/+/http:/ /www.cabinetoffice.gov.uk/media/230446/lexicon.pdf , (Emr Mgt - Brit) {19}