Definition of launchpad. : a nonflammable platform from which a rocket, launch vehicle, or guided missile can be launched.
Terrain is defined as the specific physical features of an area of land. An example of terrain is a rocky and jagged coastline. ground or a tract of ground, esp. with regard to its natural or topographical features or fitness for some use.
upland(Noun) The area in the interior of a country with a generally higher elevation; often hilly, but not generally mountainous (compare highlands). upland(Adjective) Of, relating to, or situated in the uplands.