Shockwave

Explosion aboard the USS Forrestal; house explodes during a fire training exercise; airliner turns into a fireball on a runway in Japan; tornado sends a house flying; helicopter crashes during a mountain rescue; auto race crash.

A water tower collapses in Iowa; a suicidal bomber in Butte, Mont.; a flood washes away homes in Utah; a jet fighter crashes during an air show in California; a Hawaiian oil tanker explosion; a rocket-fuel plant explodes in Nevada.

A news helicopter crashes in Brooklyn; a tornado races through an Iowa town; a Navy-fighter bomb crisis; a brick silo collapses on a farmer; a drag racer crashes at 280 mph; a fireworks factory explodes in England.

An aircraft carrier crewman survives being sucked into a jet engine; the cruise ship Oceanos sinks in 1991; motorcycle daredevil Ron Brown crashes; a hijacked airliner runs out of fuel and crashes.

A helicopter loses control while hoisting a 3,400-pound air-conditioning cooling tower; a swift-water rescue; a violent hot-rod collision during a race; a Hawaiian hurricane; a jet fighter crashes into an aircraft carrier.

Rescuers try to save a suicidal man at Niagara Falls; a boat racer crashes in Arizona; Montserrat's volcano erupts; a helicopter rescue bid during flooding in Oklahoma; a kitesurfer plummets 250 feet; an experimental blimp/helicopter accident.