Ballistics experts and members of law enforcement prepare for a potential disaster by staging an explosion and analyzing the destruction.
A disaster specialist works to develop a safer and more effective method of running rescue missions in collapsed buildings.
Storm chaser Tim Samaras travels through Tornado Alley, attempting to collect new data from the inside and outside of twisters that will help predict tornadoes faster than ever before.
Tim Samaras uses explosives to trigger an avalanche, hoping the data he collects will help future rescue efforts.