| 1 | The dry dock and a model of the submarine. This dock was designed for repairing. | |
| 2 | In fact, speakers of Russian would say that submarines do swim. | |
| 3 | The captain dived his submarine deep to escape from the destroyers. | |
| 4 | The Honduran authorities say they think the submarine was coming from Colombia. | |
| 5 | Other security applications could include using neutrinos, which penetrate the Earth, to communicate with submarines. |