The S-IVB stage has its single engine gimbaled in pitch and yaw.
This same feature is incorporated in the S-IV and the S-IVB stages.
Located atop the S-IVB, which is the third stage of the Saturn V, is the guidance and control equipment for the launch vehicle.
S-IV和S-IVB级包括了一些同样的特点。
安装在“土星V”第三级S-IVB顶部的是发*飞行器的*和控制设备。