Published in Joe 90 Top Secret #1, 01/18/1969 - cover and 3 pages.
"Joe Becomes A Most Special Aquanaut" The merchant vessel S.S. Wroxham was hauling illicit cargo of 12 ground-to-air missiles when she collided with a tanker in the Med near the time sheikdom of Bahdan. Joe 90 is asked to recover those missiles before enemy agents can get them.