RT @piotr_butowski: Modernized Su-57 started tests last week. What’s important here? Official info: “the plane is adapted to be fitted wit…
Retweeted by Greg McVerry; original attribution is retained below.
RT @piotr_butowski: Modernized Su-57 started tests last week.
What’s important here?
Official info: “the plane is adapted to be fitted wit…
By Greg McVerry · Permalink · Original tweet
