Porter-area historical tornado activity is near Oklahoma state average. It is 167% greater than the overall U.S. average.
The Space Shuttle program, officially called the Space Transportation System (STS), was the United States government's manned launch vehicle program from 1981 to 2011, administered by NASA and officially beginning in 1972.
The space shuttle Challenger was one of NASA's greatest triumphs. It was the second shuttle to reach space, in April 1983. It successfully completed nine milestone missions. But Challenger was also NASA's darkest tragedy.On its 10th launch, on Jan. 28, 1986, the shuttle exploded 73 seconds after liftoff, killing the seven crewmembers. The accident changed the space program forever.ut Challenger was also NASA's darkest tragedy. On its 10th launch, on Jan. 28, 1986, the shuttle exploded 73 seconds after liftoff, killing the seven crewmembers. The accident changed the space program forever.