Completed the following sentence: In 1956 "Fort Mandan" conducted amphibious training exercises at Vieques, Puerto Rico, and underwent overhaul at Baltimore before steaming again for the far north where she cruised in September and October. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️
Panama Canal Zone and "Narmid" 1 and 2. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️