(S (S (BASENP (PRP It)) (VP (VBD estimated) (SBAR (S (NP (BASENP (DT the) (NN reduction)) (PP (IN of) (BASENP (JJ British) (NNS forces)))) (VP (MD could) (VP (VB save) (NP (BASENP (QP (RB about) (SHARP #) (NN 1) (NN billion)) (NNS pounds)) (PRN (LRB -LRB-) (BASENP (QP (RB about) (DOLLAR $) (NN 1.7) (NN billion)) (NNP U.S.) (NNS dollars)) (RRB -RRB-))))))))) (PERIOD .))