...shred cut out parts, burn remains, mix with water, encase in cement, explode, divide rubble into four parts, disperse one part each in Lake Superior, Pacific Ocean, Atlantic Ocean, and the Great Salt Lake; assume an alias, move to Alaska...

This is how military redactions have been done forever. If a soldier writes home to his family and includes classified details (“I watched the sun rise over Mt Vesuvius yesterday but today we are moving west”) the censors just cut out the text with a knife.

Wouldn’t that mean they were marching into the gulf of Naples?

Obviously they wouldn't want the enemy to know their troops are amphibious.