The Command Center and FAA headquarters watched it too.
( ( The ( Command ( Center ( and ( FAA headquarters ) ) ) ) ) ( ( ( watched it ) too ) . ) )
(ROOT (S (NP (DT The) (NNP Command) (NNP Center) (CC and) (NNP FAA) (NN headquarters)) (VP (VBD watched) (NP (PRP it)) (ADVP (RB too))) (. .)))
FAA headquarters was in communication with the Command Center.
( ( FAA headquarters ) ( ( was ( in ( communication ( with ( the ( Command Center ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP FAA) (NNS headquarters)) (VP (VBD was) (PP (IN in) (NP (NP (NN communication)) (PP (IN with) (NP (DT the) (NNP Command) (NNP Center)))))) (. .)))