✈️ Boeing X-32: The Prototype That Could Have Been Developed in the late 1990s for the U.S. Department of Defense’s Joint Strike Fighter (JSF) program, the Boeing X-32 was a concept demonstrator aircraft designed to meet the needs of the U.S. Air Force, Navy, and Marine Corps.  💰 Cost: The X-32 was built with a budget-friendly approach, with an estimated unit cost of $33.9 million.  🛠️ Key Facts: • First Flight: September 18, 2000 • Manufacturer: Boeing • Role: Multi-role stealth fighter pro