Today, undersea technology permits the location and recovery of almost anything lost on the seafloor—if cost is no object, that is. Sometimes, cost is not a major constraint in high- priority search-and-recovery operations, such as the recovery of TWA Flight 800 off Long Island. High-priority missions are few and far between, however. Most deep ocean work is done by academic or commercial entities using ships guided by Global Positioning Systems and towing sleds loaded with sidescan sonar, magnetic anomaly detectors, and cameras.
Oceans: New Code of Ethics Strikes Balance Between Archaeology and Salvage
By Don Walsh