A gunman working for a crime ring is hunted by both the police and his employers after a cop is murdered.

A five man submarine plants sensors around the worlds oceans to monitor for a impending earthquake.

While widowed Porter Ricks is away at school learning to be a park ranger, his teen-aged son, Sandy, under adult supervision from a neighbor, remains at the family home in…

A hit man hijacks a boat — and the married couple aboard — in order to carry out a contract on a dictator in the Caribbean.