NASA engineers learnt a giant lesson from this incident; that significant parts of debris may very well be liberated from the ET and will hit the RCC substance. They made slight modifications on the ET to make certain that massive particles could not quickly come off it, having said that https://www.facebook.com/permalink.php?story_fbid=pfbid02b5DtPfmMAWyoGHj5e3rWZvTneQdHUuB9epjbQZFbDVq5cYZrN6FVWm2cekqd63gal&id=61562415773754&__cft__[0]=AZVEXCJOQKNJynE7VKA5IZDvB3y-frohZ4IporVbhUzOjEhwSuwA5kmARL0w5KnDyRfcRyBD60-yvOGCll0cGLHwULaDKT9xpANoWdtkcWAq_kCISBDK1oVVXGTpI7cFdg7VJDe_2nlzRg1-uRxX4fdHKvEnsZ_802orhGD5gEY8JFlLNfxhx3ba6WLAcTAkY0wISvHsZsC3wAEhtrsaNVhm&__tn__=%2CO%2CP-R