Over a span of 18 months, Wei sent photos and videos of the Essex, advised on the location of various ships and shared information on the Essex's weapons.
Increasing international tensions, global warming and a changing world economy have put Greenland at the heart of the global trade and security debate.
The 65-page report details the specific errors that led to the USS Harry S. Truman's collision with a merchant vessel on Feb. 12 near Port Said, Egypt.