In 1952, the ship participated in Operation Mainbrace, North Sea maneuvers with NATO forces. During September 1952, the Venom participated in its first NATO training operation, Exercise Mainbrace. In 1952 she took part in the first large NATO naval exercise, Exercise Mainbrace. "Zeehond (2)" participates in the NATO exercise "Mainbrace". On square-rigged ships, the mainbrace was the longest line in of all the running rigging.