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, which was first called STA-099, was built to serve as a test vehicle for NASA's shuttle program. It was named after the British Naval research vessel HMS Challenger, which sailed the Atlantic and Pacific oceans during the 1870s.