But in the meantime, Yet another dilemma had designed—with the tiles them selves. As flight profiles had been refined and aero-loads improved understood, engineers started to issue whether the tiles could survive the punishment. By mid-1979, it experienced become noticeable that in selected places the tiles "didn't have enough strength https://www.facebook.com/permalink.php?story_fbid=pfbid02s9f9Lp41k8PnY49Uufb4L6amB3fXhAKpPofyA5sxzVAWk7La5N1bvWCUq3vvWduKl&id=61562415773754&__cft__[0]=AZUQSxu7Y-sROKbsovm5AM1_3WrGcZqDRm5hctvbEhuke--Oe8MEVyImDqQHytMUn9zrhrB-KA5WuxRhWTiQL1HP6k_6omo-OkEX_Les9Ok9rDH0UbvK_TXiYqTGLHbVxfKnnOs9gK1pSuwbS32TiFqxJqR0Jv7PDiBET_FylQExJAyG5IVll6Bj5KqMf6oc1w5PNrniYU1ZoSjXjJPw22qy&__tn__=%2CO%2CP-R