Which type of barriers can be shipped in bulk with minimal cargo space and provide long term protection when erected?

The correct answer is expandable bin or HESCO containers because these barriers are designed specifically for efficiency in both transport and deployment. They are made from durable materials and can be nested or folded during shipping, which minimizes the space they occupy. Once on site, they can be quickly deployed and filled with materials such as sand or soil to create strong, effective barricades that provide long-term protection against various threats.

Expandable bins or HESCO containers are especially advantageous in military and defense applications as they can be set up in a matter of minutes and are ideal for use in temporary or rapidly changing environments. Their adaptability makes them a preferred choice for creating protective perimeters, especially in locations where logistical challenges, such as terrain or space constraints, are significant.

Hedgehog barriers, while also effective, typically require more detailed installation and are not suited for bulk shipping as efficiently as HESCO containers. Concrete walls, though strong and durable, are heavy, take longer to construct, and are not practical for bulk shipping due to their weight and the need for significant foundational work. Wire fences may provide some level of perimeter security but do not offer the same level of protection or durability as HESCO containers and are generally not as effective against impacts or blasts.