McDonnell Little Henry Experimental ram-jet helicopter
Key Facts
Abbreviation
XH-20
Pronunciation
/məkˈdɑnəl ˈlɪtəl ˈhɛnri ɪkˌspɛrɪˈmɛntəl ræm ʤɛt ˈhɛlɪˌkɑptər/
Category
Governmental
Related Field
Military