WM family (WM20/WM22/WM25/WM27/WM28/Mk 92)
Derivative: Sperry / Unisys / Lockheed Martin MK92
The family of WM20 systems has proved that Thales Nederland is since a long time, in the forefront of naval defence system development. The WM20 is a family of multi-channel fire-control systems designed for gun, torpedo and missile systems and using a combined radar antenna system. It may be used as a primary fire-control system in small warships (fast attack craft and above) while on larger warships it may be a dedicated subsystem supporting the command and weapon control system. It is designed to provide continuous air and surface warning, navigation aid, combat information, target designation and weapon control. The system may also be used as a stand-alone command and weapon control system sometimes supplemented by a STACOS system. Each member of the WM20 family is dedicated to a specific weapon fit and the majority are designed to engage both air and surface targets. The exceptions are the WM24 which has an additional ASW role, and the WM26 which is only for engaging surface targets. The mini combat system is a fast reacting system, including certain data handling facilities which are of great importance during operations in a multi-target environment. Its high-quality radar, provided with ECCM features, guarantees target detection and engagement at maximum weapon range. Some 120 Mk92 systems have been produced under license by Sperry / Unisys /Lockheed Martin. Signaal produced more than 210 WM20 systems and supplied them to 24 navies, Around 200 are still operational due to careful maintenance, overhaul and obsolescence management. During Ships Life Extension Programs (SLEP), already 34 WM systems are re-integrated with the Tacticos' Combat Management infrastructure. Eight of them with an automatic track initiation.