A man is following a written history about an object that crashed 100 years ago in the ocean. Published around late 1999's.

[Nancy]

A man is searching old records about an object that had crashed 100's of years ago. An underwater lab is searching the area. It ends with the scientist realizing the underwater item is an alien atomic bomb that has been stored on earth. The surprise is the bom is still active. Written about late 1999's.