| A | B |
|---|
| NASA | National Aeronautics and Space Administration |
| expedition | a journey for a special purpose |
| astronaut | a person who travels to outer space |
| cosmonaut | a Russian astronaut |
| cargo | goods carried on a vehicle |
| payload | cargo with top priority |
| shuttle | spacecraft carrying people and cargo |
| ISS | International Space Station |
| crew | a group of workers on a vehicle |
| Endeavour | the name of one of the space shuttles |
| orbit | a path in space |
| engineer | a person trained in science and math |
| mission | the purpose of an expedition |
| weigh | to measure how heavy |
| material | a physical substance |
| truss | a support brace |
| robot | a machine that performs work |
| aluminum | a light-weight metal |
| port | the left side of a vehicle |
| launch | to send up into the air |
