| attack submarine | 4.74 | The program simulates the command of a nuclear attack submarine. | ||
| class submarine | 1.51 | Also taking delivery of four Kilo-class submarines. | ||
| diesel submarine | 1.18 | The package included eight diesel submarines. | ||
| missile submarine | 0.92 | The proposal would have restricted nuclear weapons at sea to strategic missile submarines. | ||
| miniature submarine | 0.72 | The work will be done with the help of deep-diving miniature submarines. | ||
| spy submarine | 0.72 | The Transquest was the mother ship for the spy submarine Glomar Explorer. | ||
| rescue submarine | 0.46 | Britain has put a similar deep search and rescue submarine on standby. | ||
| research submarine | 0.46 | This historical encyclopedia covers everything from the research submarine Alvin to the Titanic. | ||
| robot submarine | 0.46 | Scientists, meanwhile, use it to monitor live video and data signals from robot submarines on the ocean floor. | ||
| build submarine | 0.33 | It wants to Electric Boat build submarines while Newport News continues building nuclear-powered aircraft carriers. |