| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| air force historical research | 0.11 | 0.2 | 4169 | 43 | 29 |
| air | 0.78 | 0.3 | 2222 | 67 | 3 |
| force | 1.8 | 0.6 | 3478 | 99 | 5 |
| historical | 0.78 | 0.6 | 9918 | 95 | 10 |
| research | 0.1 | 0.9 | 7018 | 40 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| air force historical research | 1.66 | 0.2 | 4763 | 60 |
