Crossrange vs. Downrange — What's the Difference?

Perpendicular to the direction of flight or transmission

Downrange, or down range, is the horizontal distance traveled by a spacecraft, or the spacecraft's horizontal distance from the launch site. More often, it is used as an adverb or adjective specifying the direction of that travel being measured in a horizontal direction.In military slang, downrange is a term for being deployed overseas, usually in a war zone.

In a direction away from the position of launching or firing and toward a target

(Informal) In or into a conflict zone

In the horizontal direction away from the launch site of a rocket or projectile in the direction of its travel.

In the horizontal direction away from the launch site of a rocket or projectile in the direction of its travel.