Guardian above-ground bunkers can withstand fierce hurricanes (including winds of more than 500 m.p.h.), as well as tornadoes, floods, fires, blizzards, earthquakes, and terrorist attacks. Boast reinforced-concrete walls, (7 to 12 ins. thick), along with steel frame and fiberglass interior. Overall exterior measures 9 ft. high, with 11-ft. dia. Monolithic design has no joints or seams to weaken structure. Diamond shape deflects extreme wind speed,, debris, and projectiles from any side. Military version (pictured) serves as manned or unmanned structure. Can be air-dropped to site. Applications include command centers, ammunition depots, sleeping quarters, communication centers, or Hazmat storage structures. Options range from bio-chemical filters, external video cameras, and telecommunications equipment to refrigerators, air conditioning, and heating. Bunkers for underground or underwater needs also available.