But now the Germans were ready for their final push, sending their new snorkel-equipped subs across the Atlantic to attack the east coast. "Neunzer" suddenly received a message at midnight 8 April to get underway 6 hours later for Newfoundland. After refueling and provisioning in Argentia, she left on the 19th and rendezvoused in mid-ocean with one of several carrier task groups strung out across the Atlantic between St. John’s, Newfoundland, and Fayal in the Azores as a net to trap the snorkels.