The aircraft was test flown for two years, but could not meet certification requirements.

Flying took place from September 24 to October 3, and the aircraft met performance requirements.

Despite all these modifications the aircraft did not meet the required performance and was not ordered into production.

Army evaluations concluded that no current aircraft met requirements.

This testing confirmed that the aircraft meets all the design requirements for certification.

Although both aircraft met or exceeded requirements, the X-35 design was considered to have less risk and more growth potential.

The aircraft did not meet performance expectations and was scrapped.

The aircraft had flown 40,453 hours and had met all service requirements.

The aircraft did not meet with any success and was not ordered into production.

But no single aircraft could meet the entire requirement" except the Osprey.