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Group for the study of reactive motion

early Soviet rocket research bureau

Pronunciation
/ɡrup fɔr ðə ˈstədi əv riˈæktɪv ˈmoʊʃən/
/ɡruːp fɔː ðɪ ˈstʌdi əv rɪˈaktɪv ˈməʊʃən/
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