https://m.huffpost.com/us/entry/us_5b1b04f7e4b09d7a3d726ffa
China hacks sub to steal secrets June 8th
Highly-sensitive data on undersea warfare to reportedly to be stolen.
Sea Dragon and included signals and sensor data, and submarine radio room information relating to cryptographic systems, according to the newspaper.
Taken were 614 gigabytes of material relating to a closely held project known as Sea Dragon, as well as signals and sensor data, submarine radio room information relating to cryptographic systems, and the Navy submarine development unit’s electronic warfare library.