it all started in 1911 when olympic had a ship go in the back end no one new the really damage to the ship till she returned to harlond and wolf were she was dry docked and drined and a masive hole appead that then harlond and wolf new that they be no way tht it world pas sea worthness if the inspecter new were to look as olympic would need her full back end rebuilding for her to pass for her certificat so harlond and wolf came up with the idea switching titanic with olympic and they had to come up with a idea to swap them with a work force of 1000.000 men to build them so they started to startb the switch and the other time worked removing anything with olympics name wer taken offf to titanic and put titanic or granded off the most notceable diffrence between the ships were the open promodes that are private on a deck and the restraunt on c deck witch after titanic went down olympic had these moderfacation done to it in 1912 when she was out of service for a while the other diffrence was olympics capten walk way was wood unlike titanic witch was steel and if it was a switch it be really hard to make it work as they need to get a hole i her and make her sink with out passingers realising like open the slus gates but if they were going to do that then they world of made sure they wqas anouth life boats for everyone on board and that the decks world have to be made for these changes and the life boats to be filled to maxam but they weree filled up to the minim of 12 or 30 max unlike were they could hold up to 75 big men in them as they were tested bye harlond and wolf