The Special Operations Squad were led by Captain John West. The Captain is shot in the back and killed in issue 222, he is replaced by Captain J.W.Ironstead from issue 223.
SOS appeared in the Eagle from issue 186. The story ran a full year (52 episodes) with their final story in issue 237.
One-off stories also appeared in the Eagle Holiday Special (1986 and 1988) and the Eagle Annual 1987.