This was supposed to be an empty stretch of ocean… But then how do you explain THIS? 

The abnormal activity

They decided to fly out to the coordinates provided by their weather experts. They had no idea what they were going to encounter. The crew speculated on the origins of the abnormal activity: some wondered if this was going to be humanity’s first encounter with extraterrestrial lifeforms, others were afraid they had stumbled upon a confidential military exercise. 

They were all wrong, as it would turn out…