New Zealand outfit Fortress Trailers specializes in developing some of the most secure, rugged utility trailers out there – essentially uncrackable wheeled safes that tow along from job site to job site, keeping expensive essentials like tools and building materials secure in any environment. Now that it's turned attention to camping trailers, outdoor travelers can rest assured that they're pulling along an ultra-rugged survival vault optimized for supplying basic living comforts in extreme environments. That's the new Fortress Explorer camper in a nutshell.