Challenger disaster still haunts America 25 years later FILE In this Jan. 28, nhl jerseys 1986 picture, the space shuttle Challenger lifts off from the Kennedy Space Center in Cape Canaveral, Fla. shortly before it exploded with a crew of seven aboard. (AP Photo/Thom Baur) (AP) WASHINGTON Two days before the space shuttle Challenger made its final flight, Carl McNair spoke to his brother Ron McNair on the telephone. It was mostly small talk: Super Bowl XX being played that day, William "Refrigerator" Perry, the weather. "He said, The weather is not looking good and things are icing up and I don t think we are going to launch, " recalled Carl McNair, who had come to Florida to watch his brother and six crew members launch into orbit. So he headed home to Atlanta with his wife and father, expecting to return in a week to see his brother s second spaceflight. Instead, on a cold Tuesday morning 25 years ago, he turned on the television and "there it was, taking off. I couldn t believe it." Surprise turned to horror just over a minute later. "As it got higher and higher, the solid rocket booster started to veer off, and I didn t know how I knew. But I knew they were gone," McNair said. "I stood there with tears streaming down my eyes, saying, Oh my God, oh my God what so many people were saying in unison around the world." That moment on Jan. 28, 1986, replayed again and again by news networks, left a scar on the national psyche that haunts the country, and NASA, to this day. The loss of seven astronauts including New Hampshire teacher Christa McAuliffe traumatized a nation that was fiercely proud of a program that had sent men to the moon. It also shattered the illusion that NASA was infallible or at least close to it as a subsequent investigation proved that the disaster could have been prevented. A select commission led by former Secretary of State William Rogers concluded that the cause of the accident was moncler on line a faulty O ring in one of two solid fuel rocket boosters. A breach in the O ring allowed hot gases to escape and burn a hole in the shuttle s 15 story external fuel tank, causing it to explode. The frigid weather it was 36 degrees at the time of the launch caused the O ring to shrink and give hot gases a pathway to escape. Worse, NASA managers had known about, and dismissed, partial failures of O rings in previous launches and also ignored prelaunch warnings about the rings vulnerability in cold weather. But it would take 17 years and the loss of another shuttle before NASA finally moncler neiman got the message. A report after the 2003 Columbia disaster noted that Challenger notwithstanding NASA had failed to change a culture that often rewarded ambition over safety. 28, 1986 file photo, the space shuttle Challenger explodes shortly after lifting off from the Kennedy Space Center in Cape Canaveral, Fla. (AP Photo/Bruce Weaver, File) (AP) Columbia was cleared to return to Earth on the morning of Feb. 1, 2003. When searing gases generated by re entry entered the orbiter through the hole in the wing, Columbia disintegrated over Texas, killing the seven crew members aboard. Moncler Mens classic T-shirt wiht color army green Foam had been falling off the fuel tank for years, gouging chunks out of the Moncler Coats Slim type Long fur collar decorative belt black orbiters heat resistant tiles and, once before, allowing re entry heat to almost burn a hole in a shuttle s belly. But NASA engineers, lacking a solution that would keep the foam in place, elected to ignore the issue. "By the eve of the Columbia accident, institutional practices that were in effect at the time of the Challenger accident such as inadequate concern over deviations from expected performance, a silent safety program, and schedule pressure had returned to NASA," investigators wrote. Diane Vaughan, a Columbia University Moncler Mens down jackets no hat black professor who researched the agency s culture after both Challenger and Columbia, said the loss of Columbia was especially painful to employees who had lived through Challenger. "They had felt they had truly fixed things," she said. Vaughan said that post Columbia, NASA has a far different approach to safety. "Look at the recent attempts to launch Discovery and how long they ve stood down for that," she said. "It doesn t mean they (NASA engineers) are doing poorly. It means they identified a flaw and are taking safety seriously." Discovery s next flight, Moncler Down coats with zip Women black now set for Feb. 24, has been delayed since early November by cracks in five support rods in the center of the external fuel tank. Engineers have worked carefully to figure out the cause, even pulling the shuttle back from the launch pad to the Vehicle Assembly Building for X rays and other tests. Outside NASA, the Challenger disaster has morphed into one of those shared traumas like the Sept. 11, 2001, attacks or President John F. Kennedy s assassination that serve as touchstones across generations. Accentuating the grief was the loss of McAuliffe, a high school teacher moncler pharrell selected to go into space to boost interest among children, many of whom were watching that day. One of them was novelist Diana Peterfreund, then a first grader in Clearwater, Fla. Her teacher had brought the class outside to watch the launch visible, if remotely, even to those on the other side of the state. "The teachers were explaining the different parts of the rocket coming off. when someone came from inside and told them that something went wrong," she said. Peterfreund remembers the shock of seeing her teacher cry. "It was almost like she was teaching us how we were supposed to Moncler Mens down jackets dark black feel; it made it more understandable," she said. President Ronald Reagan tried to act as a surrogate father to the nation s students in an address on the night of Jan. 28, 1986. "I want to say something to the schoolchildren of America who were watching the live coverage of the shuttle s takeoff. I know it s hard to understand, but sometimes painful things like this happen," Reagan said. "It s all part of the process of exploration and discovery. It s all part of taking a chance and expanding man s horizon."

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