| Aviation Ops.,Safety & Security |
1 |
| Consumer Affairs, Insurance, & Automotive Safety |
2 |
| Interstate Commerce, Trade, and Tourism |
1 |
| Oceans, Atmosphere, Fisheries, and Coast Guard |
1 |
| Science, Technology and Innovation |
1 |
| Space, Aeronautics, and Related Sciences |
2 |
| Surface Transportation and Merchant Marine |
1 |
| Surface Transportation and Merchant Marine Infrastructure, Safety, & Security |
2 |