The smallest naval nuclear submarines to date are the 2,700 tonne French Rubis-class attack submarines.

He served on two naval fast-class nuclear submarines.

The research involved measurements of sea ice thickness made by upward-looking sonar aboard naval submarines operating under the ice sheet.

It juxtaposed themes of radio technology, aircraft, and naval submarines with those of relationships and nostalgia.

Friends say her father, William, served on naval submarines before he began his current career as a biostatistician.

Two submarines, both launched in September 1888, marked the rapidly maturing state of naval submarine technology as the nineteenth century was drawing to a close.

The naval dolphins on the sides are symbols for naval submarines.

Silent running is a stealth mode of operation for naval submarines.

A submarine's net cutter is a device mounted on the bows of some naval submarines to cut through anti-submarine netting.

Net cutter (submarine), a device mounted on the bows of some naval submarines to cut through anti-submarine netting.