Sergeant Bob
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The problems began when the space agency switched to materials and parts that were considered more "environmentally friendly," according to a NASA report obtained by WorldNetDaily.
In 1997, during the 87th space shuttle mission, similar tile damage was done during launch when the external tank foam crashed into them during the stress of takeoff. NASA knows that problem occurred again on this Columbia launch. However, the agency is not certain this was the cause of the disintegration of the craft upon re-entry.
The alarming report continued: "The pattern of hits did not follow aerodynamic expectations, and the number, size and severity of hits were abnormal. Three hundred and eight hits were counted during the inspection, one-hundred and thirty two (132) were greater than one inch. Some of the hits measured fifteen (15) inches long with depths measuring up to one and one-half (1 1/2) inches. Considering that the depth of the tile is two (2) inches, a 75% penetration depth had been reached. Over one hundred (100) tiles have been removed from the Columbia because they were irreparable. The inspection revealed the damage, now the 'detective process' began."
NASA probed exact same glitch of insulation striking tiles in 1997
Does safety at NASA run second to political pressure?
In 1997, during the 87th space shuttle mission, similar tile damage was done during launch when the external tank foam crashed into them during the stress of takeoff. NASA knows that problem occurred again on this Columbia launch. However, the agency is not certain this was the cause of the disintegration of the craft upon re-entry.
The alarming report continued: "The pattern of hits did not follow aerodynamic expectations, and the number, size and severity of hits were abnormal. Three hundred and eight hits were counted during the inspection, one-hundred and thirty two (132) were greater than one inch. Some of the hits measured fifteen (15) inches long with depths measuring up to one and one-half (1 1/2) inches. Considering that the depth of the tile is two (2) inches, a 75% penetration depth had been reached. Over one hundred (100) tiles have been removed from the Columbia because they were irreparable. The inspection revealed the damage, now the 'detective process' began."
NASA probed exact same glitch of insulation striking tiles in 1997
Does safety at NASA run second to political pressure?