It later turned out that Sea MARC had actually passed over Titanic but had failed to detect it, while Deep Tow passed within 1.5 miles (2.4 km) of the wreck.
后来显示， Sea MARC 经过了泰坦尼克号，却没有发现它，而 "Deep Tow"号则在距残骸1.5英里（2.4公里）处与其擦肩而过。