(S (S (BASENP (JJ Essential) (NNS staff)) (VP (VBP include) (NP (NP (NP (BASENP (JJ military) (NNS personnel)) (COMMA ,) (BASENP (NN air) (NN traffic) (NNS controllers))) (COMMA ,) (BASENP (JJ emergency) (NNS officials))) (CONJP (COMMA ,) (CC and)) (BASENP (NN intelligence) (NNS officials))))) (PERIOD .))