itions . ▁This ▁helped ▁put ▁the ▁existence ▁of ▁Air ▁Ministry ▁on ▁a ▁fir mer ▁foot ing . ▁ ▁Through out ▁ 1 9 1 9 ▁Church ill ▁persist ently ▁supported ▁an ▁independent ▁air ▁force . ▁He ▁presented ▁the ▁White ▁P aper , ▁largely ▁written ▁by ▁Sir ▁Hugh ▁T rench ard , ▁on ▁the ▁future ▁of ▁the ▁R AF ▁on ▁ 1 2 ▁December ▁ 1 9 1 9 . ▁It ▁was ▁this ▁White ▁P aper ▁that ▁was ▁to ▁be ▁the ▁effective ▁char ter ▁for ▁the ▁R AF ▁and ▁Air ▁Ministry ▁in ▁subsequent ▁years . ▁▁ 1 9 2 1 – 1 9 2 7 ▁In ▁February ▁ 1 9 2 1 ▁Lloyd ▁George ▁appointed ▁Church ill ▁to ▁the ▁Col onial ▁Office ▁and ▁appointed ▁his ▁Chief ▁Wh ip , ▁Frederick ▁Gu est ▁as ▁Secretary ▁of ▁State ▁for ▁Air ▁on ▁ 1 ▁April . ▁During ▁his ▁eigh teen ▁months ▁in ▁office ▁he ▁played ▁" a ▁minor ▁part ▁in ▁the ▁des perate ▁struggle ▁to ▁maintain ▁the ▁air ▁force ' s ▁institution al ▁independence ▁in ▁the ▁face ▁of ▁host ile ▁attacks ▁from ▁the ▁War ▁Office ▁and ▁the ▁Admir alty ". ▁More ▁important ly ▁in ▁the ▁long ▁term ▁he ▁was ▁also ▁responsible ▁for ▁the ▁appointment ▁of ▁Sir ▁Se ft on ▁Bran cker ▁to ▁develop ▁civil ▁av iation . ▁ ▁With ▁the ▁fall ▁of ▁Lloyd ▁George ▁Sir ▁Samuel ▁Ho are ▁became ▁the ▁Secretary ▁of ▁State ▁for ▁Air ▁in ▁October ▁ 1 9 2 2 ▁under ▁Bon ar ▁Law . ▁On ▁Law ' s ▁death ▁Stanley ▁Bald win ▁became ▁Prime