In Detail, create a default primitive sphere. Copy it, scale it down to .8, Paste it and group the 2 objects together.
COLOR R 255 G 0 B 0 Fog length Phong Bright 125
T: .8 Denser Color: 255, 100, 0 2nd Color: 255, 0, 0
Scale the axis to be just as big as the sphere.
COLOR R 210 G 15 B 15 Phong Bright Light: Color: 500, 0, 0 Point Source Controlled FallOff FireBall texture: Color 1: 255, 15, 15 Color 2: 200, 30, 0 The rest of the settings are 0. Axis size should be slightly larger than the sphere.
Load this object into Action after setting the # of frames. Add the Spike effect on frames 2 (right after the torp exits the torpedo tube) to the last frame that the object will be in the camera's view. You might want to tweek the Spike settings. Set up the motion in Stage, and you're all set. Render and serve.