Mini Sub detects the presence of something under Lake Ontario that baffled the Army and scientists alike

As Lake, As Project

Now, you can imagine the seriousness of the lake that has a huge history. Looking at the vastness of the lake the project Raise the Arrow seemed very serious. They were not looking for some kind of made-up monster or alien base. In reality, they had no idea what they were looking for, but when the submarine’s sonar caught something on its radar the team was taken aback by the discovery. So, what did the submarine spot?