Olympic-class ocean liner of 29 coal-fired steam boilers in six compartments. However, "Olympic"s boilers were adapted for firing by oil at the end of the First World War, which reduced the number of engine crew required from 350 to 60. The "Olympic"-class ships were long, displacing normally (their draft at this displacement being ), and their tonnage was around 45-46,000 GRT. "Olympic" became the largest ship in the world when it was completed in May, 1911 before losing the title to its sister "Titanic" when she was completed in April, 1912. After the loss of "Titanic" the third sister ship "Britannic" claimed the
Protecteur-class auxiliary vessel These names were changed to "Protecteur" and "Preserver" respectively, announced on 12 September 2017. In August 2015 Davie Shipyard signed a contract to convert the container ship for the role until the specialized ships were delivered. The contract is known as Project Resolve. The vessel was built in 2010 in Germany and will be converted for use by the RCN until the JSS are ready. Construction of the first JSS is scheduled to begin at the Seaspan Yard in late 2017, following the construction of two other classes of ships for the Canadian Coast Guard. The first of class, HMCS