| The force to pump up tyres? (3,5) |
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| Component of military force |
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| Military might involving aviation |
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| Renewable energy from a farm perhaps is used by flighty types as part of a campaign |
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| Component of warfare since WWI |
USA Today |
07 Mar 2018 |
| Military strength in the sky |
Eugene Sheffer |
30 May 2016 |
| Military strength in the sky |
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| Key to modern warfare |
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| Military strength in the sky |
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| Secy. Finletter's specialty. |
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