Skunk Works pushes investment in F-22 and F-35 over new aircraft

http://www.flightglobal.com/news/articles/skunk-works-pushes-investment-in-f-22-and-f-35-over-423298

Lockheed Martin has warned against rushing into a sixth-generation fighter programme without first boosting F-35 Lightning II numbers and implementing a robust modernisation programme to keep fifth-generation F-22s and F-35s capable against new counter-air threats.