Random triples
| Subject | Object |
|---|---|
| gptkb:U.S._Merchant_Marine | passenger ships |
| gptkb:U.S._Merchant_Marine | offshore supply vessels |
| gptkb:U.S._Merchant_Marine | towboats |
| gptkb:U.S._Merchant_Marine | container ships |
| gptkb:U.S._Merchant_Marine | training ships |
| gptkb:U.S._Merchant_Marine | research vessels |
| gptkb:U.S._Merchant_Marine | roll-on/roll-off ships |
| gptkb:U.S._Merchant_Marine | cargo ships |
| gptkb:U.S._Merchant_Marine | tankers |
| gptkb:U.S._Merchant_Marine | barges |
| gptkb:U.S._Merchant_Marine | fishing vessels |