But Meanwhile, An additional trouble experienced madewith the tiles them selves. As flight profiles were being refined and aero-loads superior understood, engineers began to question whether or not the tiles could survive the punishment. By mid-1979, it had turn out to be obvious that in sure spots the tiles "did https://www.facebook.com/permalink.php?story_fbid=pfbid0jqi3NgugHLMYqkHg6yMNLijt4NhP9ymizBXrmghMKQArLtFHkUQxmZ8gigvToacwl&id=61560512640678&__cft__[0]=AZUX2Vm6nVtrxBdxINtQIxN0PShyedH5jo8DkTcHJFgUhNExzK-WP6AxtlTOp08h2XREGJVcqdV7CyyQQoxkRfbiXDk5onF-tfzk2jmqSffFLWVraRaw1VmtRGyp_y6r04C4i9CpkGguM291DI5LOUfFqoSIObOCKaQAP8LReHuFrhiz5_mRwVdTbwa17E9P6hI3AhVGeFmmRPgRzmob50Vp&__tn__=%2CO%2CP-R