Russia. Directed by Valentine (as spelled in the subtitles; spelled 'Valentin' on Internet Movie Database) Selivanov. Starring Mila Berlinskaja as Sveta, Seryozha Obrazov as Fedya, Igor Sakarov as Sasha. Also known as THE BIG SPACE TRAVEL. Original title
Bolshoe Kosmicheskoe Puteshestvie. Russian language with choice of hardcoded English subtitles in the MP4 version or optional English subtitles embedded in the Matroska file.
Plot: Three talented Soviet teens are selected to accompany a space mission.