What has the USS "Washington" submarine been awarded for? Top secret mission

The discrimination awarded to the crew of the submarine (type Virginia) USS "Washington", besides commonly known as Blackfish, may theoretically have caused surprise. The presidential discrimination of the PUC is broadcast fundamentally for participating in the fight against enemy forces. Moreover, it is essential for the distinguished entity to show extraordinary heroism, valor and determination, much greater than the another entities active in the same operation. The authoritative criteria further indicate that "the acts of valor made by the individual must be equivalent to the individual actions worthy" of awarding the cross for service — Navy or Air Force Cross or Distinguished Service Cross in land troops.