Nick Allen (writer), Massimo Beladinelli (pencils and inks), Tony Jacob (letters)
Published in 2000AD #3, 03/12/1977 - 6 pages
"A mysterious explosion sends a secret NATO mini-battleship to a water grave". John Probe, M.A.C.H. 1, has the task of learning if the Russian trawler in the area is really catching fish or has a more sinister motive.