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| A procedure used by the military to transfer fuel from one aircraft to another during flight | |||
| air: 80 phrases in 10 subjects |
| Abbreviation | 48 |
| Ecology | 4 |
| Energy industry | 1 |
| Meteorology | 1 |
| Military | 15 |
| Non-governmental organizations | 2 |
| Oceanography & oceanology | 2 |
| Trademark | 1 |
| Transport | 5 |
| United States | 1 |