1.   Designed to work in a vacuum, the shuttle must carry not only fuel but the oxygen to burn it.

2.   If given advance notice, the shuttle can carry a couple of bikes on a rack at the front of the vehicle.

3.   The shuttle will carry eight experiments devised by students from Argentina and Italy as well as the United States.

4.   The shuttle will carry six crew members.

5.   The shuttle is carrying a pressured chamber that will be used for space walks.

6.   The shuttles now carry into space no major commercial or military payloads, which were banned after the accident and instead were put on unmanned rockets.

7.   The shuttle will carry a record number of mice, rats, fish, snails and crickets for experiments.

8.   The shuttle is carrying a pressurized module, Spacehab, in its cargo bay that is filled with food, scientific equipment and other supplies for the Russian craft.

9.   The shuttle is carrying in its cargo bay a pressurized module, Spacehab, that is filled with food, scientific equipment and other supplies for the Russian craft.

10.   They are being finished and checked out to make sure that they fit together properly and will work according to plan after the shuttles carry them into orbit.