THE YEAR WAS
"Dolph Saves The Day"
Written by Ray Bailey(artist), Don Segall(writer)
#4 - 14 pages - One of the crew of an outpost of the Atlantis base is really a Red Chinese agent who is shutting down defenses to let an enemy sub in to cause harm. Skooby is the one to discover the duplicity and decides to stop it, with the help of a trained dolphin.
Here are the pages I have of it.