The North American Aviation XB-70 Valkyrie was a prototype version of the proposed B-70 nuclear-armed deep penetration bomber for the United States Air Force's Strategic Air Command.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/7P2hS9QfNcvGjm5hWq2Rug== | 5.88129e-14 |
| dbr:North_American_XB-70_Valkyrie | 5.88129e-14 |