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
Wreck of the RMS Titanic day of the expedition, an object that looked like a propeller was found. Grimm announced on his return to Boston that "Titanic" had been found, but the scientists declined to endorse his identification. In July 1983, Grimm went back a third time with Ryan aboard the research vessel "Robert D. Conrad" to have another look at the "propeller". This time nothing was found and very bad weather brought an early end to the expedition. It later turned out that Sea MARC had actually passed over "Titanic" but had failed to detect it, while Deep Tow passed within of the wreck.