    Sentence: -.1;. The: ‘mission - crew  commander. ‘exptained to :us) that: the  purpose... was--to--position the, Langley  fighters between the reported  “southbound American -Th.: and =the’  nation's capital: a,    Sentence 2: The crew eommander said  that fighters would ‘be ‘placed between,  ‘Washington DC.and.American 11.