Raise the Arrow
![](https://images.upbeatnews.com/posts/4042/3-1.jpeg)
This project was codenamed “Raise the Arrow” because of the team’s suspicions as to what was hiding under there. The sonar picked up a massive arrow-shaped object, which could be anything, but the team theorized that it was some kind of military technology or an accessory to a plane. Either way, they knew this would be an important find because it had been down there for so long.
Advertisement