(S (S (NP (BASENP (NNS Images)) (PP (IN from) (BASENP (JJ new) (NNS cameras)))) (VP (VBP have) (VP (VBN revealed) (SBAR (IN that) (S (NP (BASENP (DT a) (NN section)) (PP (IN of) (NP (BASENP (NN foam)) (VP (VBG weighing) (BASENP (QP (DT some) (NN 250)) (NN g)))))) (VP (VP (VP (VP (VBD fell) (PRT (RP away))) (PP (IN from) (BASENP (DT the) (JJ external) (NN fuel) (NN tank)))) (PP (IN during) (BASENP (NN launch)))) (CONJP (COMMA ,) (CC but)) (VP (VP (VBD did) (RB not)) (VP (VB strike) (BASENP (DT the) (NNP Orbiter)))))))))) (PERIOD .))