The proposal for a twin-engine “F-55” fighter, articulated by President Donald Trump during a speech in Doha, Qatar, on May 15, 2025, represents a significant departure from established aerospace engineering principles and defense acquisition strategies. Described as a “super upgrade” to the single-engine Lockheed Martin F-35 Lightning II, the F-55 concept hinges on the addition … Leggi tutto The Strategic and Technical Fallacies of a Proposed Twin-Engine F-55 Fighter: A Critical Analysis of Feasibility, Cost and Geopolitical Implications