WORLD NEWS & ANALYSIS
X-31 Returns To Demonstrate Extremely Short Landings
NEW YORK The U.S.-German X-31 demonstrator has returned to flight, kicking off a two-year program aimed at demonstrating an extremely short-landing capability. The investigation into ESTOL, or extremely short takeoff and landing, is being performed under the $57-million Vector, or vectoring ESTOL control tailless operation research effort.
By STANLEY W. KANDEBO5 min