NASA 840, also known as the F/A-18 High Alpha Research Vehicle (HARV), was used to carry out high angle of attack research.
EC89-62-11
NASA 840, also known as the F/A-18 High Alpha Research Vehicle (HARV), was used to carry out high angle of attack research. It was modified with a thrust vectoring system around the exhaust nozzles of each engine.Mar 1989NASA Photo / › F-18 HARV Project Description