 Nyora kupfuurira kweiyi ndima - Muna September 1935, kondirakiti yokutanga yendege 150 yakaiswa. The Air Ushumiri akanga asarudza kuti mhando zvakananga kubva kudhirowa bhodhi, vave nokukurumidza vakatsvaka somumwe chidimbu yakakura uye nokukurumidza kuwedzera RAF. Ndege yokutanga yakavakwa iyi kugadzirwa womuenzaniso, K7033, akashanda sezvo chete kumumvuri; musi wa25 June 1936, K7033 akaita ndege yayo yokutanga kubva Filton. Zita rebasa rendege rakava Blenheim Mk I pashure pehondo yakakurumbiramunguva yeHondo yeSpain Yokutsiva. On 10 March 1937, kugadzirwa vazvo kuna RAF pamutemo akatanga; 114 Squadron akava squadron wokutanga kugamuchira Blenheim. Pana 13 January 1938, Blenheim akapinda basa pamwe No. 30 Squadron, wokutanga mhiri kwemakungwa squadron kugamuchira mhando; mukuvamba 1939, wokutanga Blenheims akasvika India. 