| ▲ | soulofmischief 6 hours ago | |
The first recorded supersonic flight was in 1947. | ||
| ▲ | windward 6 minutes ago | parent [-] | |
Supersonic passenger planes failed commercially. | ||
| ▲ | soulofmischief 6 hours ago | |
The first recorded supersonic flight was in 1947. | ||
| ▲ | windward 6 minutes ago | parent [-] | |
Supersonic passenger planes failed commercially. | ||