| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| this week in air force history | 1.6 | 0.1 | 7134 | 99 |
| this day in history air force | 0.9 | 0.7 | 9787 | 70 |
| this date in air force history | 1.86 | 1 | 6845 | 44 |
| today in air force history | 0.06 | 0.3 | 5070 | 52 |
| air force history january | 1.46 | 0.1 | 4282 | 100 |
| times air force history | 0.6 | 0.1 | 3419 | 38 |
| us air force history timeline | 0.3 | 0.3 | 9198 | 16 |
| us air force history | 1.63 | 0.8 | 5137 | 37 |
| united states air force history | 0.01 | 0.5 | 4327 | 28 |
| brief history of the air force | 1.52 | 0.4 | 6960 | 29 |
| this day in usaf history | 1.61 | 0.9 | 2875 | 64 |
| when did the air force start | 0.92 | 0.3 | 4037 | 79 |
| air force beginning date | 0.38 | 0.1 | 9342 | 2 |
| when did the air force begin | 1.29 | 0.9 | 4538 | 7 |
| us air force year | 1.68 | 0.6 | 1875 | 35 |
| what year was the air force | 1.8 | 0.3 | 2073 | 42 |
