▁- ▁Bre aching ▁& ▁breaking ▁equipment ▁ ▁Module ▁ 4 ▁- ▁Multi - pur pose ▁vehicle ▁ ▁Module ▁ 5 ▁- ▁Sh oring ▁operations ▁ ▁C BR N ▁response : ▁▁ ▁Inc ident ▁response ▁unit ▁( IR U ): ▁H 9 ▁ ▁Prime ▁m over ▁+ ▁mass ▁de cont am ination ▁dis ro be ▁( PM + MD D ): ▁T 9 ▁ ▁Prime ▁m over ▁+ ▁mass ▁de cont am ination ▁r er obe ▁( PM + MD R ): ▁T 9 ▁ ▁Co - res ponder ▁vehicles ▁ ▁Dev on ▁and ▁Som erset ▁Fire ▁and ▁Res cue ▁Service ▁works ▁in ▁partners hip ▁with ▁South ▁Western ▁Am bul ance ▁Service ▁to ▁provide ▁emer gency ▁medical ▁cover ▁to ▁areas ▁of ▁Dev on ▁and ▁Som erset . ▁These ▁are ▁areas ▁that ▁have ▁been ▁identified ▁as ▁having ▁a ▁greater ▁need ▁for ▁amb ul ance ▁cover . ▁The ▁aim ▁of ▁a ▁co - res ponder ▁team ▁is ▁to ▁preserve ▁life ▁until ▁the ▁arrival ▁of ▁either ▁a ▁rapid ▁response ▁vehicle ▁( R R V ) ▁or ▁an ▁amb ul ance . ▁Co - res ponder ▁vehicles ▁are ▁equ ipped ▁with ▁o xygen ▁and ▁automatic ▁external ▁def ibr ill ation ▁( A ED ) ▁equipment . ▁ ▁Co - res ponder ▁stations ▁have ▁a ▁dedicated ▁vehicle ▁for ▁co - res ponder ▁calls . ▁The ▁vehicle , ▁known ▁as ▁the ▁emer gency ▁response ▁unit ▁( E MS ), ▁att ends ▁in ▁place ▁of ▁the ▁fire ▁app liance ▁( prov iding ▁there ▁are ▁enough ▁crew ▁members ▁still ▁on ▁duty ),