Arcus Launchers are a type of advanced Missile Launcher mounted on Space Marine Sicaran Arcus artillery tanks during the Great Crusade and Horus Heresy.

长弓发射器是一种先进的导弹发射器，在大远征和荷鲁斯叛乱期间安装在星际战士西卡然长弓火炮坦克上。

Sicaran Arcus Tank with twin Arcus Launchers 配备双联长弓发射器的西卡然长弓坦克

The Arcus launcher is based upon the rotary missile launcher developed for the Xiphon strike fighter, however the greater size of the mounting on the Sicaran hull allows for a more complex feed mechanism and the employment of multiple warhead types. Over time, the advanced Arcus Launchers have broken down and in the 41st Millennium Sicaran Arcus tanks are commonly equipped with more basic rotary missile systems.

长弓发射器基于为剑尾强击机开发的旋转导弹发射器，但西卡然车体上安装的更大尺寸允许使用更复杂的供弹机制和多种弹头类型。随着时间的推移，先进的长弓发射器已经损坏，在第41个千年西卡然长弓坦克通常配备了更基础的旋转导弹系统。