You are more likely to find those positions through your school than the yacht industry. You could also look at liveaboard diveboats like...
The problem these days is "to where?" The cruise market has pretty much saturated the facilities at the available destinations.
You are assuming that there was a good bond and the material condition was as intended. I think material/construction inadequacy is the first link...
Most likely the impact was down where the hull separated and tore away in a nice straight line. Due to the flexation available, the same incident...
There was no direct relationship between the damage down lower and the deck joint (unless the shock of that impact also started the fracturing...
As the article alludes to, the environment where the cruise ships go is highly managed and never has been representative of the daily conditions...
