| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | space shuttle acronym | Space enthusiasts | Commonly used and understood within the space community as a reference to the Space Transportation System (STS) program. | 1 |
| 2 | space shuttle acronym | Space enthusiasts in the United States | Commonly referred to as 'STS' (Space Transportation System) among NASA engineers and space enthusiasts in the United States | 1 |
| 3 | space shuttle acronym | space enthusiasts | Referring to the Space Transportation System (STS) as 'space shuttle' is common | 1 |