The mission crew commander explained to us that the purpose was to position the Langley fighters between the reported southbound American 11 and the nation's capital.
( ( The ( mission ( crew commander ) ) ) ( ( ( explained ( to us ) ) ( that ( ( the purpose ) ( was ( to ( ( position ( the ( Langley fighters ) ) ) ( between ( ( ( ( the ( reported southbound ) ) ( American 11 ) ) and ) ( ( the ( nation 's ) ) capital ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN mission) (NN crew) (NN commander)) (VP (VBD explained) (PP (TO to) (NP (PRP us))) (SBAR (IN that) (S (NP (DT the) (NN purpose)) (VP (VBD was) (S (VP (TO to) (VP (VB position) (NP (DT the) (NNP Langley) (NNS fighters)) (PP (IN between) (NP (NP (NP (DT the) (JJ reported) (NN southbound)) (ADJP (JJ American) (NP (CD 11)))) (CC and) (NP (NP (DT the) (NN nation) (POS 's)) (NN capital))))))))))) (. .)))
The mission crew commander denied that Langley fighters were to be used.
( ( The ( mission ( crew commander ) ) ) ( ( denied ( that ( ( Langley fighters ) ( were ( to ( be used ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN mission) (NN crew) (NN commander)) (VP (VBD denied) (SBAR (IN that) (S (NP (NNP Langley) (NNS fighters)) (VP (VBD were) (S (VP (TO to) (VP (VB be) (VP (VBN used))))))))) (. .)))