' s ▁national ▁av iation ▁history ▁museum . ▁The ▁museum ▁is ▁located ▁in ▁Ott awa , ▁Ontario , ▁Canada , ▁at ▁the ▁Ott awa / R ock cl iffe ▁Airport . ▁ ▁History ▁ ▁The ▁museum ▁was ▁first ▁formed ▁in ▁ 1 9 6 4 ▁at ▁RC AF ▁Station ▁Rock cl iffe ▁as ▁the ▁National ▁Aer onaut ical ▁Collection ▁from ▁the ▁am alg am ation ▁of ▁three ▁separate ▁existing ▁collections . ▁These ▁included ▁the ▁National ▁A viation ▁Museum ▁at ▁U pl ands , ▁which ▁concentr ated ▁on ▁early ▁av iation ▁and ▁bush ▁flying ; ▁the ▁Canadian ▁War ▁Museum ▁collection , ▁which ▁concentr ated ▁on ▁military ▁aircraft , ▁and ▁which ▁included ▁many ▁war ▁tro ph ies , ▁some ▁d ating ▁back ▁to ▁World ▁War ▁One , ▁and ▁the ▁RC AF ▁Museum ▁which ▁focused ▁on ▁those ▁aircraft ▁operated ▁by ▁the ▁Royal ▁Canadian ▁Air ▁Force . ▁▁ ▁In ▁ 1 9 8 2 ▁the ▁collection ▁was ▁renamed ▁the ▁National ▁A viation ▁Museum ▁and ▁in ▁ 1 9 8 8 ▁the ▁collection ▁was ▁moved ▁to ▁a ▁new ▁experimental ▁type ▁tri angular ▁hang ar ▁from ▁the ▁Second ▁World ▁War - era ▁wooden ▁hang ars ▁it ▁had ▁been ▁res iding ▁in . ▁In ▁ 2 0 0 6 ▁an ▁additional ▁hang ar ▁was ▁opened , ▁which ▁allows ▁all ▁of ▁the ▁collection ' s ▁aircraft ▁to ▁be ▁stored ▁ind o ors . ▁ ▁The ▁museum ▁closed ▁ 2 ▁September ▁ 2 0 0 8 ▁for ▁rem od eling ▁and ▁re arr ang ement ▁of ▁the ▁aircraft ▁on ▁display . ▁This