As of Feb. 20, 2017, two Lockheed Martin T-50A aircraft are soaring in the skies over Greenville, South Carolina. The inaugural Feb. 20 flight of the second production-ready T-50A from Lockheed Martin's Advanced Pilot Training (APT) operations center in Greenville further demonstrates the trainer's readiness on day one. http://lmt.co/2kRNmBC