Assertion: glider's flight | /r/CapableOf | fly behind the other
Facets:
Source sentences:
text: The planes, sequentially designated within a serial by chalk numbers (literally numbers chalked on the airplanes to aid paratroopers in boarding the correct airplane), were organized into flights of nine aircraft, in a formation pattern called "vee of vee's" (vee-shaped elements of three planes arranged in a larger vee of three elements), with the flights flying one behind the other.