Any ship on the ocean is in peril at any given time. Even military ships. Read “Halsey’s Typhoon” for a hair-raising account.
Our military loses people all the time in training accidents. If you train like you fight, it is going to happen. But when the time comes to fight, you are ready.
But to be ready, that is the price to pay.
“The coldest winter I ever spent was a summer in San Francisco.”
- Mark Twain did or didn’t say that but I experienced it.