From 9:34 to 10:08, a Command Center facility manager provided frequent updates to Acting Deputy Administrator Monte Belger and other executives at FAA headquarters as United 93 headed toward Washington, D.C.
( ( From ( 9:34 ( to 10:08 ) ) ) ( , ( ( a ( Command ( Center ( facility manager ) ) ) ) ( ( ( ( provided ( frequent updates ) ) ( to ( ( ( Acting ( Deputy ( Administrator ( Monte Belger ) ) ) ) and ) ( other executives ) ) ) ) ( at ( FAA headquarters ) ) ) ( as ( ( United 93 ) ( headed ( toward ( Washington ( , D.C. ) ) ) ) ) ) ) ) ) )
(ROOT (S (PP (IN From) (NP (CD 9:34) (TO to) (CD 10:08))) (, ,) (NP (DT a) (NNP Command) (NNP Center) (NN facility) (NN manager)) (VP (VBD provided) (NP (JJ frequent) (NNS updates)) (PP (TO to) (NP (NP (NNP Acting) (NNP Deputy) (NNP Administrator) (NNP Monte) (NNP Belger)) (CC and) (NP (JJ other) (NNS executives)))) (PP (IN at) (NP (NNP FAA) (NNS headquarters))) (PP (IN as) (NP (NP (NNP United) (CD 93)) (VP (VBN headed) (PP (IN toward) (NP (NNP Washington) (, ,) (NNP D.C.)))))))))
The United 93 plane stopped flying at 10:08 and the updates ceased. 
( ( ( ( ( The ( United ( 93 plane ) ) ) ( stopped ( flying ( at 10:08 ) ) ) ) and ) ( ( the updates ) ceased ) ) . )
(ROOT (S (S (NP (DT The) (NNP United) (CD 93) (NN plane)) (VP (VBD stopped) (S (VP (VBG flying) (PP (IN at) (NP (CD 10:08))))))) (CC and) (S (NP (DT the) (NNS updates)) (VP (VBD ceased))) (. .)))