natural disasters and nuclear crisis in japan or wars across the middle east, some people believe that the world is becoming a scarier place. they're not taking any chances. christine romans tell us that those who make bomb shelters are back in business. >> we got a new contract today. the name of the project is surefire survival community. >> reporter: if you want to prepare for disaster, brian camden is your man. the 55-year-old civil engineer is the owner of hardened structures. he's been in the business of building bomb shelters for 20 years. right now that business is booming. >> right now it's probably a new project every other week. our biggest seller is a six-person prefabricated steel shelter that sells for about $38,000. >> reporter: demand for all kind of survival supplies is up. there's the ordinary like these 55gallon barrels for water