This rationalisation of the roles of the naval dockyards was accompanied by technical and military innovations and the production of vessels at a higher pace, against the backdrop of an arms race and colonisation. In 1858, , the first ocean-going battleship in the world sailed out of the dockyards in Toulon. The 1860s saw the arrival of the first torpedo boats and military submarines, with the launch of in 1863. The technical problems experienced by this first-ever motorised submarine meant that it remained a prototype rather than an operational war vessel. But it did open the way for the construction of in 1886 and "Le Narval" in 1899, which were the first operational torpedo submarines in history.