Engine Test Air Force Research Laboratory engineer Justin Reinhart makes final adjustments to the Responsive Open Source Engine, or ROSE, on the test stand. ROSE is a rapid development effort executed within 13 months and is the first turbine engine designed, assembled and tested exclusively within AFRL at Wright-Patterson Air Force Base, Ohio, Oct. 29, 2019. SHARE IMAGE: Download Image: Full Size (1.76 MB) Photo By: David Dixon, Air Force VIRIN: 191029-F-FX606-001D.JPG Photo Gallery