(S (S (PP (VBG Following) (BASENP (DT the) (JJ second) (NNP Titan) (NNP III) (NN launch))) (COMMA ,) (S (BASENP (PRP it)) (VP (VBD was) (VP (VBN modified) (S (VP (TO to) (VP (VB serve) (PP (IN as) (NP (BASENP (DT a) (NN launch) (NN pad)) (PP (IN for) (NP (BASENP (DT the) (NNP US) (NNP Air) (NNP Force) (POS 's)) (NP (BASENP (NNP Manned) (NNP Orbiting) (NNP Laboratory)) (PRN (LRB -LRB-) (BASENP (NNP MOL)) (RRB -RRB-)))))))))))))) (PERIOD .))