Assertion: trident's missile | /r/HasProperty | launched into high sub-orbital spaceflight
Facets:
value: usually
type: TEMPORAL
value: in order to cover large distances
type: PURPOSE
Source sentences:
text: In order to cover large distances, ballistic missiles are usually launched into a high sub-orbital spaceflight; for intercontinental missiles, the highest altitude (apogee) reached during free-flight is about 2,000 kilometers (1,200 mi).