danger space

Noun

 * 1)  The areas between a weapon and its target in which the trajectory is not greater than the typical height of a human (about 1.8 meters).
 * 2)  The area or space around the target of a missile in which it has a probability of landing or exploding.
 * 3)  A region of the neck bounded by the skull base, alar fascia and prevertebral fascia, from which an infection can spread directly to the thorax.