“In 2021, the program office added 3 years to its Block 4 schedule and now expects to extend Block 4 development and delivery into fiscal year 2029, in part, due to the addition of new capabilities,” the GAO said in its annual report on the F-35.
By Valerie InsinnaAdding extra firepower to the F-35 shows how loudly Lockheed hears the footsteps of Boeing’s F-15X approaching.
By Colin Clark