![US Top Stories from Associated Press (AP) show](/assets/missing_small.png)
Summary: NORFOLK, Va. (AP) , The Pentagon said late Saturday that it is investigating why a Navy submarine collided with an Aegis cruiser during routine operations at an undisclosed location. The U.S. Fleet Forces Command said in a news release that the submarine USS Montpelier and the Aegis cruiser USS San Jacinto collided at about 3:30 p.m.