| first air force usaf | 1.11 | 0.4 | 4286 | 20 | 88 |
| first air force female pilot | 1.11 | 0.6 | 5296 | 28 | 49 |
| first air force female fighter pilot | 0.86 | 0.6 | 9650 | 36 | 3 |
| first air force wikipedia | 1.07 | 0.8 | 9143 | 25 | 79 |
| first air force in the world | 0.62 | 0.8 | 8778 | 28 | 22 |
| air force first year | 1.3 | 0.7 | 8327 | 20 | 100 |
| when was the first air force made | 1.5 | 0.8 | 2981 | 33 | 34 |
| first air force 1 | 0.4 | 1 | 2720 | 17 | 62 |
| what was the first air force one | 0.04 | 0.7 | 5644 | 32 | 69 |
| first air force general | 1.21 | 0.6 | 2788 | 23 | 26 |
| air force 1 history | 1.25 | 0.7 | 3681 | 19 | 65 |
| history us air force | 1.05 | 0.3 | 131 | 20 | 42 |
| history of the united states air force | 0.74 | 1 | 3033 | 38 | 16 |
