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 overall shuttle program is called the Space Transportation System, or STS.. NASA oversees the program and coordinates flight requirements for all shuttle missions, each of which is designated with an STS number.he overall shuttle program is called the Space Transportation System, or STS.. NASA oversees the program and coordinates flight requirements for all shuttle missions, each of which is designated with an STS number.