https://www.flyer.co.uk/scaled-composites-to-build-vertijet-prototype/
https://www.janes.com/article/89809/skyworks-global-scaled-composites-target-us-army-s-fvl-with-vertijet
https://www.flightglobal.com/news/articles/analysis-skyworks-gyrocopter-returns-from-the-brink-459680/
