the japanese called their suicide weapon cayten. in english that means heaven shaker. the cayten was the direct descendent. the terrible devine. designed to inflict technological level. the japanese hope the cayten would do the same thing. designed and adapted from the lance torpedo. this reign of terror would not fall from the sky but come from beneath the sea. >> they cut out the middle section and put a crew compartment in there from a single pilot. gave them a small para scope. they launched him off the deck of a mother submarine. >> reporter: there were five caytons launched that morning. among the feast of resting ships, the sinowa was the only one hit. firefighters tried to control the flames but the damage from the suicide torpedo and subsequent explosion of aviation fuel gave them only minutes to live. it would roll over, propellers in the air and slip away. out of sight and service for the next 57 years. but a few weeks ago a microbiologist by profession and amateur underwater explorer by desire, chip lambert set out to find the misosinowa. and in 150 feet of