(S (S (BASENP (DT The) (NNP U.S.)) (VP (VP (VP (VBD deployed) (BASENP (DT a) (JJ second) (NN aircraft) (NN carrier) (NN strike) (NN force))) (PP (IN in) (BASENP (DT the) (NNP Persian) (NNP Gulf)))) (BASENP (JJ last) (NN month)))) (PERIOD .))