Canned fish canned tuna is used for sandwiches, 22 percent for salads, and 15 percent for casseroles and dried, packaged meal mixes. Other fish that is canned includes cod, mackerel, herring, and pilchard (a type of sardine). Canned fish Canned fish are fish which have been processed, sealed in an airtight container such as a sealed tin can, and subjected to heat. Canning is a method of preserving food, and provides a typical shelf life ranging from one to five years. Fish have low acidity, levels at which microbes can flourish. From a public safety point of view, foods with low acidity
USS Skipjack (SSN-585) got underway for sea trials off Charleston, before joining for four days of type training in the Jacksonville, Florida, area. She then sailed to her new home port, Norfolk, Virginia, before participating in Atlantic Fleet exercises. Early in February 1967, "Skipjack" got underway for sonar and weapon tests and then participated in Atlantic submarine exercises from March through June. July and August were spent in restricted availability at the Newport News Shipbuilding and Dry Dock Company following which "Skipjack" took part in FIXWEX G-67, an exercise designed to evaluate fixed wing ASW aircraft against a submarine with "Skipjack"'s characteristics. Following