▁with ▁by ▁either ▁the ▁Board ▁of ▁Trade ▁or ▁the ▁Foreign ▁Office . ▁ ▁The ▁Army ▁and ▁the ▁War ▁Office ▁had ▁largely ▁agreed ▁to ▁the ▁continued ▁existence ▁of ▁the ▁R AF ▁due , ▁in ▁part , ▁to ▁the ▁enthus ias m ▁for ▁the ▁air ▁service ▁by ▁the ▁Army ' s ▁political ▁leader ▁W inst on ▁Church ill . ▁However , ▁one ▁of ▁the ▁main ▁difficulties ▁for ▁the ▁R AF ▁and ▁Air ▁Ministry ▁in ▁ 1 9 1 9 ▁was ▁the ▁opposition ▁by ▁the ▁Royal ▁Navy ▁to ▁losing ▁their ▁own ▁air ▁service ▁and ▁subsequent ▁lo bb ying ▁that ▁personnel ▁for ▁naval ▁air ▁purposes ▁af loat ▁be ▁naval ▁officers ▁and ▁ratings ▁– ▁this ▁would ▁have ▁led ▁to ▁a ▁recre ation ▁of ▁the ▁now ▁dis band ed ▁Royal ▁Naval ▁Air ▁Service . ▁This ▁neg ot iation ▁led ▁to ▁the ▁creation ▁of ▁R AF ▁Coast al ▁Area ▁the ▁prede cess or ▁of ▁R AF ▁Coast al ▁Command ▁to ▁deal ▁with ▁its ▁relationship ▁with ▁the ▁Navy . ▁Through out ▁ 1 9 1 9 ▁there ▁were ▁discuss ions ▁between ▁Sir ▁Hugh ▁T rench ard ▁Chief ▁of ▁the ▁Air ▁Staff ▁and ▁Sir ▁Ross lyn ▁W emy ss ▁First ▁Sea ▁Lord ▁as ▁to ▁the ▁nature ▁of ▁the ▁relationship ▁between ▁the ▁Air ▁Force ▁and ▁Air ▁Ministry ▁and ▁the ▁Navy ▁and ▁the ▁Admir alty . ▁ ▁In ▁ 1 9 1 9 ▁the ▁Air ▁Ministry ▁formally ▁took ▁control ▁of ▁supply , ▁design ▁and ▁ins pection ▁of ▁all ▁aircraft ▁( a er op lan es ▁and ▁air ships ) ▁from ▁the ▁Ministry ▁of ▁Mun