The second the first one crossed our missile engagement zone, the cruiser fired.

You're inside the missile engagement zone, clobbering the Aegis picture.

The Aegis would shoot nothing within that area, and nothing outside of her missile engagement zone.

Our own aircraft were vectoring around behind the Aegis, leaving the missile engagement zone via a safe corridor marked out for their use.

MEZ: Missile Engagement Zone.

Based on many factors, including the track's speed, altitude, heading, IFF response, or its presence in "safe passage corridors" or "missile engagement zones", the ECS operator, the TCO (tactical control officer), makes an ID recommendation to the ICC operator, the TD (tactical director).