The document summarizes the 2014 expedition to find the lost ships of Sir John Franklin's 1845 Arctic expedition. It describes how a chance discovery of artifacts on a remote Canadian island by a helicopter pilot led archaeologists to discover the intact wreck of HMS Erebus using sonar technology. The discovery was a breakthrough in the 168-year search for clues about Franklin's fate and what happened to his crew. It marked the largest and best-equipped expedition ever launched to solve one of exploration's most enduring mysteries.