It is a series of corvettes used by the Swedish navy.

Its design is emphasized on low visibility (small radar cross section). That means it is a stealth ship.

It was designed by the Swedish Defense Materiel Administration and built by Saab Kockums AB.

It was first launched in 2000 and the last one was delivered in 2015. There are 5 in total.

The 1 is for surface combat and the other 4 for submarine hunting and mine clearance. They also have a helipad.

Their length is 72.7 meters and their width is 10.4 meters.  

Maximum speed is 35 knots and their range is 4.600 Km at a speed of 28 Km/h.

They carry 8 anti-ship missiles and 45 torpedoes.

They cost 184 million USD each.

[Source: en.wikipedia.org]