It is the biggest launch Belfast’s waterfront has seen in a 100 years.
The last one was the Titanic itself.
Now a century later the slipways are dominated by the imposing Titanic Belfast centre designed to commemorate the most famous vessel ever built.
It cost £77m to construct – with most of the funding (£60m) coming from the public purse.
Based on projected visitor numbers, it is one of the most expensive buildings of its kind in Europe.