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))) (. .)))
The Command Center and FAA headquarters had no knowledge of the situation.
( ( The ( Command ( Center ( and ( FAA headquarters ) ) ) ) ) ( ( had ( ( no knowledge ) ( of ( the situation ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Command) (NNP Center) (CC and) (NNP FAA) (NN headquarters)) (VP (VBD had) (NP (NP (DT no) (NN knowledge)) (PP (IN of) (NP (DT the) (NN situation))))) (. .)))