▁characters ▁introduced ▁in ▁ 1 9 5 0 ▁Category : Te en age ▁characters ▁in ▁film ▁Category : F ict ional ▁kn ights ▁Category : F ict ional ▁k ings <0x0A> </s> ▁The ▁R K ▁( R az d v iz h no ye ▁K ry lo ▁– ▁extending ▁wing ) ▁( a . k . a . ▁L IG - 7 ) ▁was ▁a ▁two - se at ▁cabin ▁aircraft ▁designed ▁and ▁built ▁in ▁the ▁USS R ▁from ▁April ▁ 1 9 3 6 . ▁ ▁Development ▁ ▁In ▁ 1 9 3 0 ▁the ▁L II PS ▁( ▁- ▁L ening rad ▁inst itute ▁for ▁sail ▁and ▁communic ations ▁engine ers ) ▁formed ▁a ▁UK ▁G VF ▁( ▁- ▁training ▁centre ▁for ▁civil ▁air ▁fleet ), ▁in ▁turn ▁the ▁UK ▁G VF ▁formed ▁the ▁N IA I ▁( N ao och no - I ss led ov atel ' ski y ▁A ero - Inst ito ot ▁- ▁scientific ▁test ▁a ero - inst itute ) ▁which ▁became ▁the ▁focus ▁of ▁several ▁good ▁design ▁engine ers ▁who ▁were ▁given ▁command ▁of ▁individual ▁OK B ▁( Os bo ye ▁Konst ro ok tor sko ye ▁By uro ▁– ▁personal ▁design / const ruction ▁b ureau ). ▁ ▁Al ong ▁with ▁contemporary ▁aircraft ▁design ers , ▁in ▁the ▁USS R ▁and ▁abroad , ▁Gr ig or ii ▁Ivan ov ich ▁Bak sh ay ev ▁was ▁interested ▁in ▁the ▁concept ▁of ▁variable ▁geometry ▁aircraft , ▁where ▁the ▁size ▁and / or ▁shape ▁of ▁wings