Turbomeca Astafan
... that as a variable-pitch turbofan aircraft engine, the Turbomeca Astafan could generate reverse thrust in midair without the use of a thrust reverser?
... that as a <a href="./Blade_pitch" id="mwA2g" rel="mw:WikiLink" title="Blade pitch">variable-pitch</a> <a href="./Turbofan" id="mwA2k" rel="mw:WikiLink" title="Turbofan">turbofan</a> aircraft engine, the <b id="mwA2o"><a href="./Turbomeca_Astafan" id="mwA2s" rel="mw:WikiLink" title="Turbomeca Astafan">Turbomeca Astafan</a></b> could generate reverse thrust in midair without the use of a <a class="mw-redirect" href="./Thrust_reverser" id="mwA2w" rel="mw:WikiLink" title="Thrust reverser">thrust reverser</a>?