| ILLINOIS | GRE | GREENVILLE |
| MICHIGAN | GRR | GRAND RAPIDS GERALD R FORD INTL |
| MIDWAY ATOLL | GRO | ROTA ISLAND ROTA INTL |
| NEBRASKA | GRN | GORDON MUNI |
| NEBRASKA | GRI | GRAND ISLAND CENTRAL NEBRASKA RGNL |
| SOUTH CAROLINA | GRD | GREENWOOD CO |
| TEXAS | GRK | FORT HOOD-KILLEEN ROBERT GRAY AAF |
| WASHINGTON | GRF | GRAY AAF |
| WISCONSIN | GRB | GREEN BAY AUSTIN STRAUBEL INTL |
| WISCONSIN | GRB_1 | NEST OF EAGLES |