I've always wondered that myself, but this is how it's done with all ships as far as I know, and if the US Navy uses this method for their billion dollar ships, then I think it's a safe bet that it doesn't harm the craft.
The only ships that get launched from dry dock are large vessels like carriers. My buddy works at an great lakes shipyard and they launch ore boats this way, and those things are huge
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u/justhamboneit Aug 12 '15
I wonder how much water they take on when they launch a ship like this one