roughly 60 people
105 and a half.
Marc Garneau has been in space three times. He was aboard the Space Shuttle Challenger in 1984, the Space Shuttle Endeavour in 1996, and the Space Shuttle Discovery in 2000.
There have been a total of 135 space shuttle launches. The first space shuttle launch occurred on April 12, 1981, and the final space shuttle mission was launched on July 8, 2011.
A total of 135 space shuttle flights were launched between 1981 and 2011 as part of NASA's Space Shuttle Program.
No space shuttle has been launched for the moon. It can't carry enough fuel to get there. Couldn't land if it got there.
According to NASA there have been a total of 119 shuttle missions of which 110 occured.
135 spanning from April 1981 to July 2011 when the Shuttle Program was retired.
There have been 134 operational launches with one more planned launch. See related link for a full list.
Ellen Ochoa has been on four Space Shuttle missions. She became the first Hispanic woman to travel to space when she flew on the Space Shuttle Discovery in 1993.
The Space Shuttle Endeavor is being decommissioned and prepared to be a static display exhibit. It will never again go into space.
The only Space Shuttle named Explorer is a full sized replica/mockup/model of the Space Shuttle at the Kennedy Space Center at Cape Canaveral, Florida. Many space missions of varying types have been named Explorer.
A space shuttle has over 1,000 buttons and swiches.