FAA Mission and Structure.
( FAA ( ( ( Mission and ) Structure ) . ) )
(ROOT (NP (NNP FAA) (NNP Mission) (CC and) (NNP Structure) (. .)))
The chain of command of the FAA.
( ( ( ( The chain ) ( of command ) ) ( of ( the FAA ) ) ) . )
(ROOT (NP (NP (DT The) (NN chain)) (PP (IN of) (NP (NN command))) (PP (IN of) (NP (DT the) (NNP FAA))) (. .)))