What is Niterói-class frigate?

The Wielingen class is a class of four multi-functional frigates built for the Belgian Navy. The ships are named after sandbanks in the North Sea, not far from the Belgian...

The four De Zeven Provinciën-class frigates are highly advanced air-defence and command frigates in service with the Royal Navy of the Netherlands. This class of ships is also known as...

In mathematics, the Pontryagin classes, named after Lev Pontryagin, are certain characteristic classes of real vector bundles. The Pontryagin classes lie in cohomology groups with degrees a multiple of four.

The Padma class is a class of patrol vessels of the Bangladesh Navy. The ships were constructed at the Khulna Shipyard, through a development program overseen and supported by the...

Kora-class corvettes are guided missile corvettes, in active service with the Indian Navy and the National Coast Guard of Mauritius. Four vessels were built at Garden Reach Shipbuilders and Engineers...

The Abhay-class corvettes of the Indian Navy are customized variants of the Soviet Pauk-class corvettes. The class is primarily intended for coastal patrol and anti-submarine warfare. Three vessels of the...

The Aditya-class auxiliary ship is a class of replenishment and repair ships currently in service with the Indian Navy. The class is a modified and lengthened version of the original...

The Suffren class anti-air frigates were first-rank destroyers of the French Navy, designed to protect a fleet against air threats, surface ships, submarines, and, to a lesser extent, provide firepower...

The Formidable-class multi-role stealth frigates are the latest surface platforms to enter into service with the Republic of Singapore Navy, and are multi-mission derivatives of the French Navy's La Fayette-class...

The Moudge or Mowj is a class of domestically-produced Iranian light frigates.