# X-15 Flight 91

> 1963 American crewed mission to achieve sub-orbital spaceflight

**Wikidata**: [Q8041408](https://www.wikidata.org/wiki/Q8041408)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/X-15_Flight_91)  
**Source**: https://4ort.xyz/entity/x-15-flight-91