Sinking of the RMS Titanic time of her entry into service on 2 April 1912, Royal Mail Ship (RMS) "Titanic" was the second of three sister ships, and was the largest ship in the world. She and her sister, , were almost one and a half times the gross register tonnage of Cunard's and , the previous record holders, and were nearly longer. "Titanic" could carry 3,547 people in speed and comfort, and was built on a hitherto unprecedented scale. Her reciprocating engines were the largest that had ever been built, standing high and with cylinders in diameter requiring the burning of of coal per
Wreck of the RMS Titanic counter to this objective. RMS Titanic Inc. has attracted considerable controversy for its approach to "Titanic". Two rival camps have formed following the wreck's discovery: the "conservationists", championed by RMS Titanic Inc.'s George Tulloch (who died in 2004), and the "protectionists", whose most prominent advocate is Robert Ballard. The first camp has argued that artefacts from around the wreck should be recovered and conserved, while the latter camp argues that the entire wreck site should have been left undisturbed as a mass grave. Both camps agree that the wreck itself should not be salvaged – though RMS Titanic Inc. did