Walker replied that he believed iron hulls would never replace wooden ships.
The Navy also plans to induct 60 patrol vessels within a decade to maintain adequate force level while replacing obsolete ships in service.
Invincible was built during a period of peace to replace ships worn out in the recently concluded Seven Years' War.
The fifty-five small rail lines of France were merged into six major lines, while new iron steamships replaced wooden ships.
Post-war reconstruction placed heavy demands on the business in replacing lost ships in a climate of scarce raw materials.
Additional ships can be constructed, but only to replace ships previously lost in battle, either by the player or prior to the scenario's start date.
They can replace ships but not people so easily.
Cogs progressively replaced Viking-type ships in Northern waters during the 13th century.
A class of cargo ships built in the US between 1941 and 1945 to replace ships lost to U-boats during the war.
By the end of the 19th century, metal-hulled steamships had replaced wooden ships as a means of transporting goods around the world.