Mark 34 Gun Weapon System

The Mk 34 GWS receives target data from the ship's sensors and off-ship sources, performs ballistic calculations, and produces gun control orders.

[2] It is different from previous gun fire-control systems in that it was developed under a one-system concept and is a fully integrated subsystem of Aegis.

The Aegis Command and Decision (C&D) system issues target engagement orders to the Mk 34 GWS.

[2] The Mark 160 GCS is responsible for receiving target information from the ship's sensors and computing a ballistic solution based on the selected ammunition type.

It improves ships' situational awareness, aids in navigation, enables the crew to visually identify and track targets, and supplements the main combat sensors.

These have led to it being installed on the U.S. Navy's littoral combat ships and the U.S. Coast Guard's Legend-class cutters.

[8] In the event of sensor or GCS failure, the Mk 45 gun can still be manually directed (e.g., inputting coordinates, range, etc.).