Lagrange Pjerrot av Trenton Class. Pjierrot av Trenton is an admiral from the late 1600 who freed the white sea and proitected the kindom and Arendelle at the battel of Vita havet, in 1687. It is operated by a crew of 30. It cost: a 150 million each. It is powered by 2 powerful engine. It's an Ice braker, so it has a reinforced hull, it has up to date radars and it's engine are efficient.
This ship is double use, it's an ice braker and tower for the civil use, and a powerful interceptor. The navy has a total of 80 of them. In front a mid range cannon, and 2 air-air missile launcher. It also has torpedo launcher. To that you can adda platform wich can be equiped with an helicopter. Thanks to @arhicopter for the music Based on the HMS Helsingborg.