MR.POOL - THE LAUNCH OF THE SHIP

The audio message is an EBS:
“This is not a test, the emergency alarm system has been activated, the telephone lines must be kept closed. Boston, Chicago, Los Angeles, New York, Pennsylvania, San Francisco, San Diego, Seattle and Washington DC "

A list of cities, all with ports or military naval bases, the first two:
- Boston Navy Yard: It was one of the oldest shipbuilding structures of the United States Navy.
- Chicago: Naval Station Great Lakes is the home of the United States Navy's only training camp, located near North Chicago Naval Station Great Lakes - https://en.qaz.wiki/wiki/Naval_Station_Great_Lakes
- Pennsylvania = Philadelphia, there is a shipyard on Delaware ...

1/1 follows

1/2 continues

The rest of the cities on both the east and west coasts, departure points for the China Sea and the Mediterranean Sea.
Last mentioned Washington DC, a Fincantieri headquarters. Why does Pool warn us of already official naval military op

The audio says the phone lines should be kept "open" not closed. So is this just wishful thinking or has something actually happened?