Siren-class patrol boat

The Siren-class patrol boat is a fast-attack and patrol vessel operated by the UNSC Navy Surface Warfare Operations Command (NSWOC).
== Overview ==
The Siren-class is 15 meters in length and requires a six-man crew. Standard armament includes two M68 25mm Gauss cannons (bow turret), two M41 .50 caliber Light Anti-Aircraft Guns (port and starboard amidships), and an M560 Hydra 90mm missile launcher (rear).