How will you keep unauthorized personnel from entering the explosives training area?

• A. By setting up a 100 foot perimeter and posting signs saying 'Danger Explosives Dog Training in Progress, Keep Out' at areas where personnel may enter from.
• B. By installing a simple gate only.
• C. By relying on verbal warnings.
• D. By posting signage anywhere in the facility, regardless of entry points.

Answer: (A)

Preventing unauthorized entry to an explosives training area relies on a clear boundary plus visible warnings at the points people would approach from. Establishing a 100-foot perimeter creates a safe distance buffer and a clearly recognizable line that anyone near the area should respect. Placing warning signs at every access point—where personnel might enter from—communicates the risk before they cross the boundary and helps deter entry, reducing the chance of accidental exposure or interference during training.

This layered approach is essential because a gate alone can be bypassed or left open, verbal warnings rely on someone hearing and heeding them, and signs placed only somewhere in the facility might not catch someone approaching the area from outside or along entry routes.