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Experimental aircraft programme

technology demonstrator aircraft

Pronunciation
/ɪkˌspɛrɪˈmɛntəl ˈɛːkrɑːft ˈprəʊɡram/
/ɪkˌspɛrəˈmɛntl ˈɛrˌkræft ˈproʊˌgræm/