The idea of a domestic command for homeland defense began to be discussed in 1997, and in 1999 the Joint Chiefs developed a concept for the establishment of a domestic Unified Command.
( ( ( ( ( ( ( The idea ) ( of ( ( a ( domestic command ) ) ( for ( homeland defense ) ) ) ) ) ( began ( to ( be ( discussed ( in 1997 ) ) ) ) ) ) , ) and ) ( ( in 1999 ) ( ( the ( Joint Chiefs ) ) ( ( developed ( a concept ) ) ( for ( ( the establishment ) ( of ( a ( domestic ( Unified Command ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (NN idea)) (PP (IN of) (NP (NP (DT a) (JJ domestic) (NN command)) (PP (IN for) (NP (NN homeland) (NN defense)))))) (VP (VBD began) (S (VP (TO to) (VP (VB be) (VP (VBN discussed) (PP (IN in) (NP (CD 1997))))))))) (, ,) (CC and) (S (PP (IN in) (NP (CD 1999))) (NP (DT the) (NNP Joint) (NNPS Chiefs)) (VP (VBD developed) (NP (DT a) (NN concept)) (PP (IN for) (NP (NP (DT the) (NN establishment)) (PP (IN of) (NP (DT a) (JJ domestic) (NNP Unified) (NNP Command))))))) (. .)))
A domestic command is necessary for safety in this new age of terrorism.
( ( A ( domestic command ) ) ( ( is ( necessary ( for ( safety ( in ( ( this ( new age ) ) ( of terrorism ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (JJ domestic) (NN command)) (VP (VBZ is) (ADJP (JJ necessary) (PP (IN for) (NP (NP (NN safety)) (PP (IN in) (NP (NP (DT this) (JJ new) (NN age)) (PP (IN of) (NP (NN terrorism))))))))) (. .)))