| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | space shuttle acronym | space enthusiasts in the United States | The acronym 'STS' for Space Transportation System is widely used by NASA engineers and space enthusiasts in the United States. | 3 |
| 2 | space shuttle acronym | China | In Chinese-speaking communities, the American space shuttle program may be referred to as 美国航天飞机 (Měiguó Hángtiān Fēijī). | 1 |