Crossrange vs. Downrange

Crossrangeadjective

perpendicular to the direction of flight or transmission

Downrangeadjective

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

Downrangeadverb

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

Downrange

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.