Watch it here complimemts of GoogleVideo:
Moria calls this movie
a fascinating entry in the frenzy of movie making that greeted the Space Age. Amid the horde of American entries on the subject, this is an effort that quite intriguingly hails from the Communist Bloc.and notes that
The film is quite lavishly budgeted for an sf film of the era. Indeed First Spaceship works much better as sf than most other English-language sf films of the era
7/5/2009: SFSignal features it in their Sunday Cinema post today.