Paddy Brennan (writer and artist)
Released 01/18/1975 - 03/08/1975
Printed in Issues No. 1 thru No. 8 (8 issues) of Cracker. Iron Hand (Agent 041) is sent to the Caribbean Island of Kalagar to investigate possible nuclear weapons. What he finds instead is a very interesting boring submarine
Here are the pages I have of it.