1 min readEngineers Await T-38C Visible Shockwave DataNASAApr 14, 2017 Image Article Engineers await T-38C visible shockwave data. AFRC2016-0093-028 Principal investigator Mike Hill (left) awaits data along with sub-project manager Brett Pauer as the Air Force Test Pilot School T-38 creates visible shockwaves in front of the sun via supersonic flight. March 2016 NASA / Ken Ulbrich