Questions: The security formation that allows the CBRN reconnaissance team to move to covered and concealed positions from a road or open area is the formation. echelon coil herringbone wedge

The answer is the third one (or C): herringbone.

Explanation for each option:

1. Echelon: This formation is typically used to protect a unit's flank and is not specifically designed for moving to covered and concealed positions from a road or open area.

2. Coil: This formation is used for 360-degree security when a unit is stationary, such as during a halt or rest period. It is not intended for movement to covered and concealed positions.

3. Herringbone: This formation is specifically designed for situations where a unit needs to quickly move off a road or open area into covered and concealed positions. It allows for rapid deployment into a defensive posture, making it suitable for CBRN reconnaissance teams needing to avoid exposure.

4. Wedge: This formation is used for moving through open terrain and provides good all-around security and control, but it is not specifically designed for moving to covered and concealed positions from a road or open area.

Summary: The herringbone formation is the correct answer because it allows the CBRN reconnaissance team to move quickly to covered and concealed positions from a road or open area.