This 1600 square foot shelter 3846 is an easily constructed space designed for multiple-access (horizontal or vertical) from your residence or out building. It incorporates all the components of a full shelter and designed for medium to long term occupancy. Its power generation capabilities allow access to the shelter even during power grid failure. It also is equipped with an emergency hatch for emergency exit or secondary entrance. It can easily house a family of 6 and can be easily reconfigured for larger numbers. It maximizes the use of aeroponics or grow rooms to provide a comfortable environment for the extended stay. It is designed to provide you and your family with immediate protection against large scale events. Our filtration systems are capable of handling nuclear, biological and chemical attacks. It also incorporates a generator room to provide interim power requirements with nested EMP protection as an option.