Olympic-class ocean liner a dining room. "Britannic" provided third-class passengers more comfort than its two sister ships. First of the "Olympic"-class liners, "Olympic" was launched on 20 October 1910 and commissioned on 14 June 1911. She made her maiden voyage on 14 June 1911, under the command of Captain Edward J. Smith to great fanfare and acclaim. On 20 September of the same year, while under the command of a harbour pilot she was involved in a collision with the cruiser in the port of Southampton, leading to her repair back at Harland and Wolff and delaying the launch of her sister "Titanic".
Hecla-class bomb vessel a survey ship, while "Aetna" and "Thunder" were both used as survey ships. "Sulphur" was also used as a survey ship, at one time being commanded by Edward Belcher who later commanded an expedition in search of John Franklin (though not in "Sulphur"). "Erebus" was one of two ships commanded by James Clark Ross during his exploration of Antarctica and by Franklin on his ill-fated search for the Northwest Passage. The other was the "Vesuvius"-class bomb vessel "Terror". Both ships were lost during this last voyage. Hecla-class bomb vessel The "Hecla" class was a class of bomb vessels of the