As a key component of a missile, the optical module in the laser fuze transmits and receives detecting signal, its performance affects the whole weapon system.

激光引信光学组件作为导弹系统中的重要组成部分，担负着探测信号的发射与接收，其工作性能影响到整个武器系统的质量。

youdao

The almost zodiac-like craft has been an ongoing project over recent years, and contains a fully automated system which the Navy calls a "Precision Engagement Module" which uses an Mk-49 mounting with a dual missile launcher manufactured by Rafael.

ENGADGET: US Navy tests first 11-meter missile-firing sea drone (video)