| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| how many helicopter pilots served in vietnam | 0.96 | 1 | 5222 | 81 | 44 |
| how | 0.53 | 0.6 | 1540 | 93 | 3 |
| many | 0.94 | 0.6 | 1033 | 12 | 4 |
| helicopter | 1.25 | 0.1 | 7695 | 13 | 10 |
| pilots | 1.82 | 0.5 | 373 | 100 | 6 |
| served | 0.97 | 0.7 | 8748 | 53 | 6 |
| in | 1.97 | 0.7 | 5709 | 65 | 2 |
| vietnam | 0.82 | 0.6 | 7639 | 66 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how many helicopter pilots served in vietnam | 0.84 | 1 | 4622 | 51 |
| how many helicopter pilots died in vietnam | 0.33 | 0.9 | 2435 | 27 |
| helicopter pilots in vietnam | 1.84 | 0.7 | 4202 | 52 |
| how many helicopters were used in vietnam | 0.26 | 0.8 | 4575 | 4 |
| number of helicopter pilots killed in vietnam | 1.04 | 0.2 | 8673 | 10 |
| army helicopter pilots in vietnam | 0.39 | 0.3 | 9513 | 73 |
| helicopter pilots in vietnam war | 0.98 | 0.5 | 6563 | 68 |
| list of vietnam helicopter pilots | 1.44 | 1 | 9305 | 29 |
| what rank were helicopter pilots in vietnam | 1.2 | 0.7 | 653 | 44 |
| marine helicopter pilots in vietnam | 0.3 | 0.9 | 7439 | 12 |
| list of helicopter pilots killed in vietnam | 1.99 | 0.2 | 8111 | 64 |
| pictures of vietnam helicopter pilots | 0.16 | 0.9 | 1995 | 3 |
| famous helicopter pilots of vietnam | 0.69 | 0.3 | 4424 | 76 |
| vietnam army helicopter pilot deaths | 0.13 | 0.1 | 9561 | 87 |
| helicopters in vietnam war | 0.08 | 0.3 | 6629 | 37 |
| army helicopters in vietnam | 1.48 | 0.4 | 7039 | 66 |
| all vietnam war helicopters | 0.05 | 0.3 | 8975 | 23 |
