When a 100,000-ton cruise ship capsizes off a rocky coast, or a massive steel suspension bridge collapses into a major shipping channel, you cannot simply call a tow truck. Disasters of this magnitude trigger the deployment of the most specialized, awe-inspiring machines on Earth: the Heavy-Lift Salvage Fleet. This book explores the brutal, multi-billion-dollar physics of maritime shipwreck removal. We focus on the legendary engineering feats of Dutch and Italian salvage conglomerates, who utilize colossal twin-hulled crane ships capable of dead-lifting 14,000 tons of wet, twisted steel from the ocean floor. The narrative dissects the terrifying math involved in "parbuckling"-the agonizingly slow process of attaching giant steel sponsons to a sunken wreck and using hydraulic pulleys to roll a dying leviathan upright without tearing the hull in half. We review case studies like the monumental Costa Concordia recovery operation. Witness the ultimate triumph of mechanical engineering over the ocean. Discover the intense pressure, absolute precision, and staggering cost of cleaning up humanity's biggest mistakes.