National Experimental Supersonic Transport NEXST-1 test - .
Nation: Japan.
Agency: NAL.
Apogee: 0 km (0 mi). The intention was that an 11.5-m-long, one tenth scale model of the aircraft would be propelled by the NAL-735 solid rocket booster to Mach 2 at 18 km altitude. Instead the vehicle lost stability and crashed near the launch point..