Lower-level officials improvised-for example, the FAA's Boston Center bypassed the chain of command and directly contacted NEADS after the first hijacking.
( ( ( Lower-level officials ) ( improvised-for example ) ) ( , ( ( ( the ( FAA 's ) ) ( Boston Center ) ) ( ( ( ( bypassed ( ( the chain ) ( of command ) ) ) and ) ( directly ( ( contacted NEADS ) ( after ( the ( first hijacking ) ) ) ) ) ) . ) ) ) )
(ROOT (S (NP (NP (JJ Lower-level) (NNS officials)) (NP (JJ improvised-for) (NN example))) (, ,) (NP (NP (DT the) (NNP FAA) (POS 's)) (NNP Boston) (NNP Center)) (VP (VP (VBD bypassed) (NP (NP (DT the) (NN chain)) (PP (IN of) (NP (NN command))))) (CC and) (VP (ADVP (RB directly)) (VBD contacted) (NP (NNS NEADS)) (PP (IN after) (NP (DT the) (JJ first) (NN hijacking))))) (. .)))
When the chain of command was circumvented by the FAA's Boston Center contacting NEADS directly, no one stood in their way.
( ( When ( ( ( the chain ) ( of command ) ) ( was ( circumvented ( ( by ( ( the ( FAA 's ) ) ( Boston ( Center ( contacting NEADS ) ) ) ) ) directly ) ) ) ) ) ( , ( ( no one ) ( ( stood ( in ( their way ) ) ) . ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (DT the) (NN chain)) (PP (IN of) (NP (NN command)))) (VP (VBD was) (VP (VBN circumvented) (PP (IN by) (NP (NP (DT the) (NNP FAA) (POS 's)) (NNP Boston) (NNP Center) (NNP contacting) (NNP NEADS)) (ADVP (RB directly))))))) (, ,) (NP (DT no) (NN one)) (VP (VBD stood) (PP (IN in) (NP (PRP$ their) (NN way)))) (. .)))