If a lifetime can be likened to a day, then this is Happy Hour!
About the only time a warship is truly vulnerable is when it is in port. I have always found it intriguing that while the air defenses in Pearl Harbor and the rest of the Pacific were non-existent in 1941, the ASW defenses were first rate. Today we would fare disastrously against all threats in any port. Here were are, a nation at war since 2001, and our ports and warships are wide open to exactly the kind of attack our enemies specialize in.
Ah... don't get me started about vulnerabilities and such. I get wound up waaaay too damned fast.
Just be polite... that's all I ask.